Optical image capturing system

ABSTRACT

The invention discloses a five-piece optical lens for capturing image and a five-piece optical module for capturing image. In order from an object side to an image side, the optical lens along the optical axis comprises a first lens with refractive power; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; a fifth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the five lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

BACKGROUND OF THE INVENTION Technical Field

The present invention relates generally to an optical system, and moreparticularly to a compact optical image capturing system for anelectronic device.

Description of Related Art

In recent years, with the rise of portable electronic devices havingcamera functionalities, the demand for an optical image capturing systemis raised gradually. The image sensing device of the ordinaryphotographing camera is commonly selected from charge coupled device(CCD) or complementary metal-oxide semiconductor sensor (CMOS Sensor).In addition, as advanced semiconductor manufacturing technology enablesthe minimization of the pixel size of the image sensing device, thedevelopment of the optical image capturing system towards the field ofhigh pixels. Therefore, the requirement for high imaging quality israpidly raised.

The conventional optical system of the portable electronic deviceusually has three or four lenses. However, the optical system is askedto take pictures in a dark environment, in other words, the opticalsystem is asked to have a large aperture. The conventional opticalsystem provides high optical performance as required.

It is an important issue to increase the quantity of light entering thelens. In addition, the modem lens is also asked to have severalcharacters, including high image quality.

BRIEF SUMMARY OF THE INVENTION

The aspect of embodiment of the present disclosure directs to an opticalimage capturing system and an optical image capturing lens which usecombination of refractive powers, convex and concave surfaces offive-piece optical lenses (the convex or concave surface in thedisclosure denotes the geometrical shape of an image-side surface or anobject-side surface of each lens on an optical axis) to increase thequantity of incoming light of the optical image capturing system, and toimprove imaging quality for image formation, so as to be applied tominimized electronic products.

In addition, when it comes to certain application of optical imaging,there will be a need to capture image via light sources with wavelengthsin both visible and infrared ranges, an example of this kind ofapplication is IP video surveillance camera, which is equipped with theDay & Night function. The visible light spectrum for human vision haswavelengths ranging from 400 to 700 nm, but the image formed on thecamera sensor includes infrared light, which is invisible to human eyes.Therefore, under certain circumstances, an IR cut filter removable (ICR)is placed before the sensor of the IP video surveillance camera, inorder to ensure that only the light that is visible to human eyes ispicked up by the sensor eventually, so as to enhance the “fidelity” ofthe image. The ICR of the IP video surveillance camera can completelyfilter out the infrared light under daytime mode to avoid color cast;whereas under night mode, it allows infrared light to pass through thelens to enhance the image brightness. Nevertheless, the elements of theICR occupy a significant amount of space and are expensive, which impedeto the design and manufacture of miniaturized surveillance cameras inthe future.

The aspect of embodiment of the present disclosure directs to an opticalimage capturing system and an optical image capturing lens which utilizethe combination of refractive powers, convex surfaces and concavesurfaces of five lenses, as well as the selection of materials thereof,to reduce the difference between the imaging focal length of visiblelight and imaging focal length of infrared light, in order to achievethe near “confocal” effect without the use of ICR elements.

The term and its definition to the lens parameter in the embodiment ofthe present are shown as below for further reference.

The lens parameters related to the magnification of the optical imagecapturing system

The optical image capturing system can be designed and applied tobiometrics, for example, facial recognition. When the embodiment of thepresent disclosure is configured to capture image for facialrecognition, the infrared light can be adopted as the operationwavelength. For a face of about 15 centimeters (cm) wide at a distanceof 25-30 cm, at least 30 horizontal pixels can be formed in thehorizontal direction of an image sensor (pixel size of 1.4 micrometers(μm)). The linear magnification of the infrared light on the image planeis LM, and it meets the following conditions: LM≥0.0003, where LM=(30horizontal pixels)*(1.4 μm pixel size)/(15 cm, width of the photographedobject). Alternatively, the visible light can also be adopted as theoperation wavelength for image recognition. When the visible light isadopted, for a face of about 15 cm wide at a distance of 25-30 cm, atleast 50 horizontal pixels can be formed in the horizontal direction ofan image sensor (pixel size of 1.4 micrometers (μm)).

The lens parameter related to a length or a height in the lens:

For visible light spectrum, the present invention may adopt thewavelength of 555 nm as the primary reference wavelength and the basisfor the measurement of focus shift; for infrared spectrum (700-1000 nm),the present invention may adopt the wavelength of 850 nm as the primaryreference wavelength and the basis for the measurement of focus shift.

The optical image capturing system includes a first image plane and asecond image plane. The first image plane is an image plane specificallyfor the visible light, and the first image plane is perpendicular to theoptical axis; the through-focus modulation transfer rate (value of MTF)at the first spatial frequency has a maximum value at the central fieldof view of the first image plane; the second image plane is an imageplane specifically for the infrared light, and the second image plane isperpendicular to the optical axis; the through-focus modulation transferrate (value of MTF) at the first spatial frequency has a maximum valuein the central of field of view of the second image plane. The opticalimage capturing system also includes a first average image plane and asecond average image plane. The first average image plane is an imageplane specifically for the visible light, and the first average imageplane is perpendicular to the optical axis. The first average imageplane is installed at the average position of the defocusing positions,where the values of MTF of the visible light at the central field ofview, 0.3 field of view, and the 0.7 field of view are at theirrespective maximum at the first spatial frequency. The second averageimage plane is an image plane specifically for the infrared light, andthe second average image plane is perpendicular to the optical axis. Thesecond average image plane is installed at the average position of thedefocusing positions, where the values of MTF of the infrared light atthe central field of view, 0.3 field of view, and the 0.7 field of vieware at their respective maximum at the first spatial frequency.

The aforementioned first spatial frequency is set to be half of thespatial frequency (half frequency) of the image sensor (sensor) used inthe present invention. For example, for an image sensor having the pixelsize of 1.12 μm or less, quarter spatial frequency, half spatialfrequency (half frequency) and full spatial frequency (full frequency)in the characteristic diagram of modulation transfer function are atleast 110 cycles/mm, 220 cycles/mm and 440 cycles/mm, respectively.Lights of any field of view can be further divided into sagittal ray andtangential ray.

The focus shifts where the through-focus MTF values of the visiblesagittal ray at the central field of view, 0.3 field of view, and 0.7field of view of the optical image capturing system are at theirrespective maxima, are denoted by VSFS0, VSFS3, and VSFS7 (unit ofmeasurement: mm), respectively. The maximum values of the through-focusMTF of the visible sagittal ray at the central field of view, 0.3 fieldof view, and 0.7 field of view are denoted by VSMTF0, VSMTF3, andVSMTF7, respectively. The focus shifts where the through-focus MTFvalues of the visible tangential ray at the central field of view, 0.3field of view, and 0.7 field of view of the optical image capturingsystem are at their respective maxima, are denoted by VTFS0, VTFS3, andVTFS7 (unit of measurement: mm), respectively. The maximum values of thethrough-focus MTF of the visible tangential ray at the central field ofview, 0.3 field of view, and 0.7 field of view are denoted by VTMTF0,VTMTF3, and VTMTF7, respectively. The average focus shift (position) ofboth the aforementioned focus shifts of the visible sagittal ray atthree fields of view and focus shifts of the visible tangential ray atthree fields of view is denoted by AVFS (unit of measurement: mm), whichequals to the absolute value |(VSFS0+VSFS3+VSFS7+VTFS0+VTFS3+VTFS7)/6|.

The focus shifts where the through-focus MTF values of the infraredsagittal ray at the central field of view, 0.3 field of view, and 0.7field of view of the optical image capturing system are at theirrespective maxima, are denoted by ISFS0, ISFS3, and ISFS7 (unit ofmeasurement: mm), respectively. The average focus shift (position) ofthe aforementioned focus shifts of the infrared sagittal ray at threefields of view is denoted by AISFS (unit of measurement: mm). Themaximum values of the through-focus MTF of the infrared sagittal ray atthe central field of view, 0.3 field of view, and 0.7 field of view aredenoted by ISMTF0, ISMTF3, and ISMTF7, respectively. The focus shiftswhere the through-focus MTF values of the infrared tangential ray at thecentral field of view, 0.3 field of view, and 0.7 field of view of theoptical image capturing system are at their respective maxima, aredenoted by ITFS0, ITFS3, and ITFS7 (unit of measurement: mm),respectively. The average focus shift (position) of the aforementionedfocus shifts of the infrared tangential ray at three fields of view isdenoted by AITFS (unit of measurement: mm). The maximum values of thethrough-focus MTF of the infrared tangential ray at the central field ofview, 0.3 field of view, and 0.7 field of view are denoted by ITMTF0,ITMTF3, and ITMTF7, respectively. The average focus shift (position) ofboth of the aforementioned focus shifts of the infrared sagittal ray atthe three fields of view and focus shifts of the infrared tangential rayat the three fields of view is denoted by AIFS (unit of measurement:mm), which equals to the absolute value of|(ISFS0+ISFS3+ISFS7+ITFS0+ITFS3+ITFS7)/6|.

The focus shift (difference) between the focal points of the visiblelight and the infrared light at their central fields of view (RGB/IR) ofthe entire optical image capturing system (i.e. wavelength of 850 nmversus wavelength of 555 nm, unit of measurement: mm) is denoted by FS,which satisfies the absolute value |(VSFS0+VTFS0)/2−(ISFS0+ITFS0)/2|.The difference (focus shift) between the average focus shift of thevisible light in the three fields of view and the average focus shift ofthe infrared light in the three fields of view (RGB/IR) of the entireoptical image capturing system is denoted by AFS (i.e. wavelength of 850nm versus wavelength of 555 nm, unit of measurement: mm), which equalsto the absolute value of |AIFS−AVFS|.

A height for image formation of the optical image capturing system isdenoted by HOI. A height of the optical image capturing system isdenoted by HOS. A distance from the object-side surface of the firstlens to the image-side surface of the fifth lens is denoted by InTL. Adistance from the first lens to the second lens is denoted by IN12(instance). A central thickness of the first lens of the optical imagecapturing system on the optical axis is denoted by TP1 (instance).

The lens parameter related to a material in the lens:

An Abbe number of the first lens in the optical image capturing systemis denoted by NA1 (instance). A refractive index of the first lens isdenoted by Nd1 (instance).

The lens parameter related to a view angle in the lens:

A view angle is denoted by AF. Half of the view angle is denoted by HAF.A major light angle is denoted by MRA.

The lens parameter related to exit/entrance pupil in the lens:

An entrance pupil diameter of the optical image capturing system isdenoted by HEP. An exit pupil of the optical image capturing systemrefers to the image of the aperture stop imaged in the imaging spaceafter passing through the lens behind the aperture stop, and the exitpupil diameter is denoted by HXP. For any surface of any lens, a maximumeffective half diameter (EHD) is a perpendicular distance between anoptical axis and a crossing point on the surface where the incidentlight with a maximum viewing angle of the system passing the very edgeof the entrance pupil. For example, the maximum effective half diameterof the object-side surface of the first lens is denoted by EHD11, themaximum effective half diameter of the image-side surface of the firstlens is denoted by EHD12, the maximum effective half diameter of theobject-side surface of the second lens is denoted by EHD21, the maximumeffective half diameter of the image-side surface of the second lens isdenoted by EHD22, and so on.

For any surface of any lens, a profile curve length of a half of theentrance pupil diameter (HEP) is, by definition, measured from a startpoint where the optical axis of the belonging optical image capturingsystem passes through the surface of the lens, along a surface profileof the lens, and finally to a coordinate point of a perpendiculardistance where is a half of the entrance pupil diameter away from theoptical axis. In other words, the curve length between theaforementioned stat point and the coordinate point is the profile curvelength of a half of the entrance pupil diameter (HEP), and is denoted byARE. For example, the profile curve length of a half of the entrancepupil diameter (HEP) of the object-side surface of the first lens isdenoted by ARE11, the profile curve length of a half of the entrancepupil diameter (HEP) of the image-side surface of the first lens isdenoted by ARE12, the profile curve length of a half of the entrancepupil diameter (HEP) of the object-side surface of the second lens isdenoted by ARE21, the profile curve length of a half of the entrancepupil diameter (HEP) of the image-side surface of the second lens isdenoted by ARE22, and so on.

The lens parameter related to a depth of the lens shape:

A displacement from a point on the object-side surface of the fifthlens, which is passed through by the optical axis, to a point on theoptical axis, where a projection of the maximum effective semi diameterof the object-side surface of the fifth lens ends, is denoted by InRS51(the depth of the maximum effective semi diameter). A displacement froma point on the image-side surface of the fifth lens, which is passedthrough by the optical axis, to a point on the optical axis, where aprojection of the maximum effective semi diameter of the image-sidesurface of the fifth lens ends, is denoted by InRS52 (the depth of themaximum effective semi diameter). The depth of the maximum effectivesemi diameter (sinkage) on the object-side surface or the image-sidesurface of any other lens is denoted in the same manner.

The lens parameter related to the lens shape:

A critical point C is a tangent point on a surface of a specific lens,and the tangent point is tangent to a plane perpendicular to the opticalaxis and the tangent point cannot be a crossover point on the opticalaxis. To follow the past, a distance perpendicular to the optical axisbetween a critical point C41 on the object-side surface of the fourthlens and the optical axis is HVT41 (instance), and a distanceperpendicular to the optical axis between a critical point C42 on theimage-side surface of the fourth lens and the optical axis is HVT42(instance). A distance perpendicular to the optical axis between acritical point C51 on the object-side surface of the fifth lens and theoptical axis is HVT51 (instance), and a distance perpendicular to theoptical axis between a critical point C52 on the image-side surface ofthe fifth lens and the optical axis is HVT52 (instance). A distanceperpendicular to the optical axis between a critical point on theobject-side or image-side surface of other lenses the optical axis isdenoted in the same manner.

The object-side surface of the fifth lens has one inflection point IF511which is nearest to the optical axis, and the sinkage value of theinflection point IF511 is denoted by SGI511 (instance). A distanceperpendicular to the optical axis between the inflection point IF511 andthe optical axis is HIF511 (instance). The image-side surface of thefifth lens has one inflection point IF521 which is nearest to theoptical axis, and the sinkage value of the inflection point IF521 isdenoted by SGI521 (instance). A distance perpendicular to the opticalaxis between the inflection point IF521 and the optical axis is HIF521(instance).

The object-side surface of the fifth lens has one inflection point IF512which is the second nearest to the optical axis, and the sinkage valueof the inflection point IF512 is denoted by SGI512 (instance). Adistance perpendicular to the optical axis between the inflection pointIF512 and the optical axis is HIF512 (instance). The image-side surfaceof the fifth lens has one inflection point IF522 which is the secondnearest to the optical axis, and the sinkage value of the inflectionpoint IF522 is denoted by SGI522 (instance). A distance perpendicular tothe optical axis between the inflection point IF522 and the optical axisis HIF522 (instance).

The object-side surface of the fifth lens has one inflection point IF513which is the third nearest to the optical axis, and the sinkage value ofthe inflection point IF513 is denoted by SGI513 (instance). A distanceperpendicular to the optical axis between the inflection point IF513 andthe optical axis is HIF513 (instance). The image-side surface of thefifth lens has one inflection point IF523 which is the third nearest tothe optical axis, and the sinkage value of the inflection point IF523 isdenoted by SGI523 (instance). A distance perpendicular to the opticalaxis between the inflection point IF523 and the optical axis is HIF523(instance).

The object-side surface of the fifth lens has one inflection point IF514which is the fourth nearest to the optical axis, and the sinkage valueof the inflection point IF514 is denoted by SGI514 (instance). Adistance perpendicular to the optical axis between the inflection pointIF514 and the optical axis is HIF514 (instance). The image-side surfaceof the fifth lens has one inflection point IF524 which is the fourthnearest to the optical axis, and the sinkage value of the inflectionpoint IF524 is denoted by SGI524 (instance). A distance perpendicular tothe optical axis between the inflection point IF524 and the optical axisis HIF524 (instance).

An inflection point, a distance perpendicular to the optical axisbetween the inflection point and the optical axis, and a sinkage valuethereof on the object-side surface or image-side surface of other lensesis denoted in the same manner.

The lens parameter related to an aberration:

Optical distortion for image formation in the optical image capturingsystem is denoted by ODT. TV distortion for image formation in theoptical image capturing system is denoted by TDT. Further, the range ofthe aberration offset for the view of image formation may be limited to50%-100% field. An offset of the spherical aberration is denoted by DFS.An offset of the coma aberration is denoted by DFC.

A modulation transfer function (MTF) graph of an optical image capturingsystem is used to test and evaluate the contrast and sharpness of thegenerated images. The vertical axis of the coordinate system of the MTFgraph represents the contrast transfer rate, of which the value isbetween 0 and 1, and the horizontal axis of the coordinate systemrepresents the spatial frequency, of which the unit is cycles/mm orlp/mm, i.e., line pairs per millimeter. Theoretically, a perfect opticalimage capturing system can present all detailed contrast and every lineof an object in an image. However, the contrast transfer rate of apractical optical image capturing system along a vertical axis thereofwould be less than 1. In addition, peripheral areas in an image wouldhave poorer realistic effect than a center area thereof has. For visiblelight spectrum, the values of MTF in the spatial frequency of 55cycles/mm at the optical axis, 0.3 field of view, and 0.7 field of viewon an image plane are respectively denoted by MTFE0, MTFE3, and MTFE7;the values of MTF in the spatial frequency of 110 cycles/mm at theoptical axis, 0.3 field of view, and 0.7 field of view on an image planeare respectively denoted by MTFQ0, MTFQ3, and MTFQ7; the values of MTFin the spatial frequency of 220 cycles/mm at the optical axis, 0.3 fieldof view, and 0.7 field of view on an image plane are respectivelydenoted by MTFH0, MTFH3, and MTFH7; the values of MTF in the spatialfrequency of 440 cycles/mm at the optical axis, 0.3 field of view, and0.7 field of view on the image plane are respectively denoted by MTF0,MTF3, and MTF7. The three aforementioned fields of view respectivelyrepresent the center, the inner field of view, and the outer field ofview of a lens, and, therefore, can be used to evaluate the performanceof an optical image capturing system. If the optical image capturingsystem provided in the present invention corresponds to photosensitivecomponents which provide pixels having a size no large than 1.12micrometer, a quarter of the spatial frequency, a half of the spatialfrequency (half frequency), and the full spatial frequency (fullfrequency) of the MTF diagram are respectively at least 110 cycles/mm,220 cycles/mm and 440 cycles/mm.

If an optical image capturing system is required to be able also toimage for infrared spectrum, e.g., to be used in low-light environments,then the optical image capturing system should be workable inwavelengths of 850 nm or 800 nm. Since the main function for an opticalimage capturing system used in low-light environment is to distinguishthe shape of objects by light and shade, which does not require highresolution, it is appropriate to only use spatial frequency less than110 cycles/mm for evaluating the performance of optical image capturingsystem in the infrared spectrum. When the aforementioned wavelength of850 nm focuses on the image plane, the contrast transfer rates (i.e.,the values of MTF) in spatial frequency of 55 cycles/mm at the opticalaxis, 0.3 field of view, and 0.7 field of view on an image plane arerespectively denoted by MTFI0, MTFI3, and MTFI7. However, infraredwavelengths of 850 nm or 800 nm are far away from the wavelengths ofvisible light; it would be difficult to design an optical imagecapturing system capable of focusing visible and infrared light (i.e.,dual-mode) at the same time and achieving certain performance.

The present invention provides an optical image capturing system, inwhich the fifth lens is provided with an inflection point at theobject-side surface or at the image-side surface to adjust the incidentangle of each view field and modify the ODT and the TDT. In addition,the surfaces of the fifth lens are capable of modifying the optical pathto improve the imagining quality.

The optical image capturing system of the present invention includes afirst lens, a second lens, a third lens, a fourth lens, a fifth lens, afirst image plane, and a second image plane. The first image plane is animage plane specifically for the visible light, and the first imageplane is perpendicular to the optical axis; the through-focus modulationtransfer rate (value of MTF) at the first spatial frequency has amaximum value at the central field of view of the first image plane; thesecond image plane is an image plane specifically for the infraredlight, and the second image plane is perpendicular to the optical axis;the through-focus modulation transfer rate (value of MTF) at the firstspatial frequency has a maximum value in the central of field of view ofthe second image plane. Each lens of the optical image capturing systemhas refractive power. The first lens has refractive power. At least onelens among the first lens to the fifth lens is made of plastic. Theoptical image capturing system satisfies: 1.0≤f/HEP≤10.0; 0 deg<HAF≤150deg; 0.5≤SETP/STP<1; and |FS|≤60 μm; where f1, f2, f3, f4, and f5 arethe focal lengths of the first, the second, the third, the fourth, thefifth lenses, respectively; f is a focal length of the optical imagecapturing system; HEP is an entrance pupil diameter of the optical imagecapturing system; HOS is a distance on the optical axis between anobject-side surface, which face the object side, of the first lens andthe first image plane on the optical axis; HAF is a half of a maximumview angle of the optical image capturing system; HOI is the maximumimage height on the first image plane perpendicular to the optical axisof the optical image capturing system; FS is the distance on the opticalaxis between the first image plane and the second image plane; ETP1,ETP2, ETP3, ETP4, and ETP5 are respectively a thickness in parallel withthe optical axis at a height of ½ HEP of the first lens to the fifthlens, wherein SETP is a sum of the aforementioned ETP1 to ETP5; TP1,TP2, TP3, TP4, and TP5 are respectively a thickness at the optical axisof the first lens to the fifth lens, wherein STP is a sum of theaforementioned TP1 to TP5.

The present invention further provides an optical image capturingsystem, including a first lens, a second lens, a third lens, a fourthlens, a fifth lens, a first image plane, and a second image plane. Thefirst image plane is an image plane specifically for the visible light,and the first image plane is perpendicular to the optical axis; thethrough-focus modulation transfer rate (value of MTF) at the firstspatial frequency has a maximum value at the central field of view ofthe first image plane; the second image plane is an image planespecifically for the infrared light, and the second image plane isperpendicular to the optical axis; the through-focus modulation transferrate (value of MTF) at the first spatial frequency has a maximum valuein the central of field of view of the second image plane. The firstlens has refractive power, and an object-side surface thereof could beconvex near the optical axis. The second lens has refractive power. Thethird lens has refractive power. The fourth lens has refractive power.The fifth lens has refractive power. At least two lenses among the firstlens to the fifth lens is made of plastic. At least one lens among thefirst lens to the fifth lens has positive refractive power. The opticalimage capturing system satisfies: 1≤f/HEP≤10; 0 deg<HAF≤150 deg;0.2≤EIN/ETL<1; and |FS|≤60 μm; where f1, f2, f3, f4, and f5 are thefocal lengths of the first, the second, the third, the fourth, the fifthlenses, respectively; f is a focal length of the optical image capturingsystem; HEP is an entrance pupil diameter of the optical image capturingsystem; HOS is a distance between the object-side surface of the firstlens and the first image plane on the optical axis; HAF is a half of amaximum view angle of the optical image capturing system; HOI is themaximum image height on the first image plane perpendicular to theoptical axis of the optical image capturing system; FS is the distanceon the optical axis between the first image plane and the second imageplane; ETL is a distance in parallel with the optical axis between acoordinate point at a height of ½ HEP on the object-side surface of thefirst lens and the first image plane; EIN is a distance in parallel withthe optical axis between the coordinate point at the height of ½ HEP onthe object-side surface of the first lens and a coordinate point at aheight of ½ HEP on the image-side surface of the fifth lens.

The present invention further provides an optical image capturingsystem, including a first lens, a second lens, a third lens, a fourthlens, a fifth lens, a first average image plane, and a second averageimage plane. The first average image plane is an image planespecifically for the visible light, and the first average image plane isperpendicular to the optical axis. The first average image plane isinstalled at the average position of the defocusing positions, where thevalues of MTF of the visible light at the central field of view, 0.3field of view, and the 0.7 field of view are at their respective maximumat the first spatial frequency. The second average image plane is animage plane specifically for the infrared light, and the second averageimage plane is perpendicular to the optical axis. The second averageimage plane is installed at the average position of the defocusingpositions, where the values of MTF of the infrared light at the centralfield of view, 0.3 field of view, and the 0.7 field of view are at theirrespective maximum at the first spatial frequency. The number of thelenses having refractive power in the optical image capturing system isfive. The first lens has refractive power. The second lens hasrefractive power. The third lens has refractive power. The fourth lenshas refractive power. The fifth lens has refractive power. At least onelens among the first lens to the fifth lens is made of glass. Theoptical image capturing system satisfies: 1≤f/HEP≤10; 0 deg<HAF≤150 deg;0.5≤SETP/STP<1; and |AFS|≤60 μm; where f1, f2, f3, f4, and f5 are thefocal lengths of the first, the second, the third, the fourth, the fifthlenses, respectively; f is a focal length of the optical image capturingsystem; HEP is an entrance pupil diameter of the optical image capturingsystem; HOS is a distance between the object-side surface of the firstlens and the first average image plane on the optical axis; HAF is ahalf of a maximum view angle of the optical image capturing system; HOIis the maximum image height on the first average image planeperpendicular to the optical axis of the optical image capturing system;AFS is the distance between the first average image plane and the secondaverage image plane; ETL is a distance in parallel with the optical axisbetween a coordinate point at a height of ½ HEP on the object-sidesurface of the first lens and the image plane; ETP1, ETP2, ETP3, ETP4,and ETP5 are respectively a thickness in parallel with the optical axisat a height of ½ HEP of the first lens to the fifth lens, wherein SETPis a sum of the aforementioned ETP1 to ETP5; TP1, TP2, TP3, TP4, and TP5are respectively a thickness at the optical axis of the first lens tothe fifth lens, wherein STP is a sum of the aforementioned TP1 to TP5.

For any lens, the thickness at the height of a half of the entrancepupil diameter (HEP) particularly affects the ability of correctingaberration and differences between optical paths of light in differentfields of view of the common region of each field of view of lightwithin the covered range at the height of a half of the entrance pupildiameter (HEP). With greater thickness, the ability to correctaberration is better. However, the difficulty of manufacturing increasesas well. Therefore, the thickness at the height of a half of theentrance pupil diameter (HEP) of any lens has to be controlled. Theratio between the thickness (ETP) at the height of a half of theentrance pupil diameter (HEP) and the thickness (TP) of any lens on theoptical axis (i.e., ETP/TP) has to be particularly controlled. Forexample, the thickness at the height of a half of the entrance pupildiameter (HEP) of the first lens is denoted by ETP1, the thickness atthe height of a half of the entrance pupil diameter (HEP) of the secondlens is denoted by ETP2, and the thickness at the height of a half ofthe entrance pupil diameter (HEP) of any other lens in the optical imagecapturing system is denoted in the same manner. The optical imagecapturing system of the present invention satisfies: 0.3≤SETP/EIN<1;where SETP is the sum of the aforementioned ETP1 to ETP5.

In order to enhance the ability of correcting aberration and to lowerthe difficulty of manufacturing at the same time, the ratio between thethickness (ETP) at the height of a half of the entrance pupil diameter(HEP) and the thickness (TP) of any lens on the optical axis (i.e.,ETP/TP) has to be particularly controlled. For example, the thickness atthe height of a half of the entrance pupil diameter (HEP) of the firstlens is denoted by ETP1, the thickness of the first lens on the opticalaxis is TP1, and the ratio between these two parameters is ETP1/TP1; thethickness at the height of a half of the entrance pupil diameter (HEP)of the first lens is denoted by ETP2, the thickness of the second lenson the optical axis is TP2, and the ratio between these two parametersis ETP2/TP2. The ratio between the thickness at the height of a half ofthe entrance pupil diameter (HEP) and the thickness of any other lens inthe optical image capturing system is denoted in the same manner. Theoptical image capturing system of the present invention satisfies:0.2≤ETP/TP≤3.

The horizontal distance between two neighboring lenses at the height ofa half of the entrance pupil diameter (HEP) is denoted by ED, whereinthe aforementioned horizontal distance (ED) is parallel to the opticalaxis of the optical image capturing system, and particularly affects theability of correcting aberration and differences between optical pathsof light in different fields of view of the common region of each fieldof view of light at the height of a half of the entrance pupil diameter(HEP). With longer distance, the ability to correct aberration ispotential to be better. However, the difficulty of manufacturingincreases, and the feasibility of “slightly shorten” the length of theoptical image capturing system is limited as well. Therefore, thehorizontal distance (ED) between two specific neighboring lenses at theheight of a half of the entrance pupil diameter (HEP) has to becontrolled.

In order to enhance the ability of correcting aberration and to lowerthe difficulty of “slightly shorten” the length of the optical imagecapturing system at the same time, the ratio between the horizontaldistance (ED) between two neighboring lenses at the height of a half ofthe entrance pupil diameter (HEP) and the parallel distance (IN) betweenthese two neighboring lens on the optical axis (i.e., ED/IN) has to beparticularly controlled. For example, the horizontal distance betweenthe first lens and the second lens at the height of a half of theentrance pupil diameter (HEP) is denoted by ED12, the horizontaldistance between the first lens and the second lens on the optical axisis denoted by IN12, and the ratio between these two parameters isED12/IN12; the horizontal distance between the second lens and the thirdlens at the height of a half of the entrance pupil diameter (HEP) isdenoted by ED23, the horizontal distance between the second lens and thethird lens on the optical axis is denoted by IN23, and the ratio betweenthese two parameters is ED23/IN23. The ratio between the horizontaldistance between any two neighboring lenses at the height of a half ofthe entrance pupil diameter (HEP) and the horizontal distance betweenthese two neighboring lenses on the optical axis is denoted in the samemanner.

The horizontal distance in parallel with the optical axis between acoordinate point at the height of ½ HEP on the image-side surface of thefifth lens and the first image plane is denoted by EBL. The horizontaldistance in parallel with the optical axis between the point on theimage-side surface of the fifth lens where the optical axis passesthrough and the first image plane is denoted by BL. In order to enhancethe ability to correct aberration and to preserve more space for otheroptical components, the optical image capturing system of the presentinvention can satisfy: 0.2≤EBL/BL≤1. The optical image capturing systemcan further include a filtering component, which is provided between thefifth lens and the first image plane, wherein the horizontal distance inparallel with the optical axis between the coordinate point at theheight of ½ HEP on the image-side surface of the fifth lens and thefiltering component is denoted by EIR, and the horizontal distance inparallel with the optical axis between the point on the image-sidesurface of the fifth lens where the optical axis passes through and thefiltering component is denoted by PIR. The optical image capturingsystem of the present invention can satisfy: 0.1≤EIR/PIR<1.

In an embodiment, a height of the optical image capturing system (HOS)can be reduced while |f1|>f5.

In an embodiment, when |f2|+|f3|+|f4| and |f1|+|f5| of the lensessatisfy the aforementioned conditions, at least one lens among thesecond to the fourth lenses could have weak positive refractive power orweak negative refractive power. Herein the weak refractive power meansthe absolute value of the focal length of one specific lens is greaterthan 10. When at least one lens among the second to the fourth lenseshas weak positive refractive power, it may share the positive refractivepower of the first lens, and on the contrary, when at least one lensamong the second to the fourth lenses has weak negative refractivepower, it may fine tune and correct the aberration of the system.

In an embodiment, the fifth lens could have negative refractive power,and an image-side surface thereof is concave, it may reduce back focallength and size. Besides, the fifth lens can have at least an inflectionpoint on at least a surface thereof, which may reduce an incident angleof the light of an off-axis field of view and correct the aberration ofthe off-axis field of view.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

The present invention will be best understood by referring to thefollowing detailed description of some illustrative embodiments inconjunction with the accompanying drawings, in which

FIG. 1A is a schematic diagram of a first embodiment of the presentinvention;

FIG. 1B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the first embodiment of thepresent application;

FIG. 1C shows a feature map of modulation transformation of the opticalimage capturing system of the first embodiment of the presentapplication in visible light spectrum;

FIG. 1D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the first embodiment of the present invention;

FIG. 1E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the first embodiment of the present disclosure;

FIG. 2A is a schematic diagram of a second embodiment of the presentinvention;

FIG. 2B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the second embodiment of thepresent application;

FIG. 2C shows a feature map of modulation transformation of the opticalimage capturing system of the second embodiment of the presentapplication in visible light spectrum;

FIG. 2D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the second embodiment of the present invention;

FIG. 2E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the second embodiment of the presentdisclosure;

FIG. 3A is a schematic diagram of a third embodiment of the presentinvention;

FIG. 3B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the third embodiment of thepresent application;

FIG. 3C shows a feature map of modulation transformation of the opticalimage capturing system of the third embodiment of the presentapplication in visible light spectrum;

FIG. 3D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the third embodiment of the present invention;

FIG. 3E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the third embodiment of the present disclosure;

FIG. 4A is a schematic diagram of a fourth embodiment of the presentinvention;

FIG. 4B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the fourth embodiment of thepresent application;

FIG. 4C shows a feature map of modulation transformation of the opticalimage capturing system of the fourth embodiment in visible lightspectrum;

FIG. 4D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the fourth embodiment of the present invention;

FIG. 4E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the fourth embodiment of the presentdisclosure;

FIG. 5A is a schematic diagram of a fifth embodiment of the presentinvention;

FIG. 5B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the fifth embodiment of thepresent application;

FIG. 5C shows a feature map of modulation transformation of the opticalimage capturing system of the fifth embodiment of the presentapplication in visible light spectrum;

FIG. 5D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the fifth embodiment of the present invention;

FIG. 5E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the fifth embodiment of the present disclosure;

FIG. 6A is a schematic diagram of a sixth embodiment of the presentinvention;

FIG. 6B shows curve diagrams of longitudinal spherical aberration,astigmatic field, and optical distortion of the optical image capturingsystem in the order from left to right of the sixth embodiment of thepresent application; and

FIG. 6C shows a feature map of modulation transformation of the opticalimage capturing system of the sixth embodiment of the presentapplication in visible light spectrum;

FIG. 6D is a diagram showing the through-focus MTF values of the visiblelight spectrum at the central field of view, 0.3 field of view, and 0.7field of view of the sixth embodiment of the present invention; and

FIG. 6E is a diagram showing the through-focus MTF values of theinfrared light spectrum at the central field of view, 0.3 field of view,and 0.7 field of view of the sixth embodiment of the present disclosure.

DETAILED DESCRIPTION OF THE INVENTION

An optical image capturing system of the present invention includes afirst lens, a second lens, a third lens, a fourth lens, a fifth lens,and an image plane from an object side to an image side. The opticalimage capturing system further is provided with an image sensor at animage plane.

The optical image capturing system can work in three wavelengths,including 486.1 nm, 587.5 nm, and 656.2 nm, wherein 587.5 nm is the mainreference wavelength and is the reference wavelength for obtaining thetechnical characters. The optical image capturing system can also workin five wavelengths, including 480 nm, 510 nm, 555 nm, 610 nm, and 650nm wherein 555 nm is the main reference wavelength, and is the referencewavelength for obtaining the technical characters.

The optical image capturing system of the present invention satisfies0.5≤ΣPPR/|ΣNPR|≤3.0, and a preferable range is 1≤ΣPPR/|ΣNPR|≤2.5, wherePPR is a ratio of the focal length f of the optical image capturingsystem to a focal length fp of each of lenses with positive refractivepower; NPR is a ratio of the focal length f of the optical imagecapturing system to a focal length fn of each of lenses with negativerefractive power; ΣPPR is a sum of the PPRs of each positive lens; andΣNPR is a sum of the NPRs of each negative lens. It is helpful forcontrol of an entire refractive power and an entire length of theoptical image capturing system.

The image sensor is provided on the image plane. The optical imagecapturing system of the present invention satisfies HOS/HOI≤25 and0.5≤HOS/f≤25, and a preferable range is 1≤HOS/HOI≤20 and 1≤HOS/f≤20,where HOI is a half of a diagonal of an effective sensing area of theimage sensor, i.e., the maximum image height, and HOS is a height of theoptical image capturing system, i.e. a distance on the optical axisbetween the object-side surface of the first lens and the image plane.It is helpful for reduction of the size of the system for used incompact cameras.

The optical image capturing system of the present invention further isprovided with an aperture to increase image quality.

In the optical image capturing system of the present invention, theaperture could be a front aperture or a middle aperture, wherein thefront aperture is provided between the object and the first lens, andthe middle is provided between the first lens and the image plane. Thefront aperture provides a long distance between an exit pupil of thesystem and the image plane, which allows more elements to be installed.The middle could enlarge a view angle of view of the system and increasethe efficiency of the image sensor. The optical image capturing systemsatisfies 0.2≤InS/HOS≤1.1, where InS is a distance between the apertureand the image plane. It is helpful for size reduction and wide angle.

The optical image capturing system of the present invention satisfies0.1≤ΣTP/InTL≤0.9, where InTL is a distance between the object-sidesurface of the first lens and the image-side surface of the fifth lens,and ΣTP is a sum of central thicknesses of the lenses on the opticalaxis. It is helpful for the contrast of image and yield rate ofmanufacture and provides a suitable back focal length for installationof other elements.

The optical image capturing system of the present invention satisfies0.01<|R1/R2|<100, and a preferable range is 0.05<|R1/R2|<80, where R1 isa radius of curvature of the object-side surface of the first lens, andR2 is a radius of curvature of the image-side surface of the first lens.It provides the first lens with a suitable positive refractive power toreduce the increase rate of the spherical aberration.

The optical image capturing system of the present invention satisfies−50<(R9−R10)/(R9+R10)<50, where R9 is a radius of curvature of theobject-side surface of the fifth lens, and R10 is a radius of curvatureof the image-side surface of the fifth lens. It may modify theastigmatic field curvature.

The optical image capturing system of the present invention satisfiesIN12/f≤5.0, where IN12 is a distance on the optical axis between thefirst lens and the second lens. It may correct chromatic aberration andimprove the performance.

The optical image capturing system of the present invention satisfiesIN45/f≤5.0, where IN45 is a distance on the optical axis between thefourth lens and the fifth lens. It may correct chromatic aberration andimprove the performance.

The optical image capturing system of the present invention satisfies0.1≤(TP1+IN12)/TP2≤50.0, where TP1 is a central thickness of the firstlens on the optical axis, and TP2 is a central thickness of the secondlens on the optical axis. It may control the sensitivity of manufactureof the system and improve the performance.

The optical image capturing system of the present invention satisfies0.1≤(TP5+IN45)/TP4≤50.0, where TP4 is a central thickness of the fourthlens on the optical axis, TP5 is a central thickness of the fifth lenson the optical axis, and IN45 is a distance between the fourth lens andthe fifth lens. It may control the sensitivity of manufacture of thesystem and improve the performance.

The optical image capturing system of the present invention satisfies0.1≤TP3/(IN23+TP3+IN34)<1, where TP2 is a central thickness of thesecond lens on the optical axis, TP3 is a central thickness of the thirdlens on the optical axis, TP4 is a central thickness of the fourth lenson the optical axis, IN23 is a distance on the optical axis between thesecond lens and the third lens, IN34 is a distance on the optical axisbetween the third lens and the fourth lens, and InTL is a distancebetween the object-side surface of the first lens and the image-sidesurface of the fifth lens. It may fine tune and correct the aberrationof the incident rays layer by layer, and reduce the height of thesystem.

The optical image capturing system satisfies 0 mm≤HVT51≤3 mm; 0mm<HVT52≤6 mm; 0≤HVT51/HVT52; 0 mm≤|SGC51|≤0.5 mm; 0 mm<|SGC52|≤2 mm;and 0<|SGC52|/(|SGC52|+TP5)≤0.9, where HVT51 a distance perpendicular tothe optical axis between the critical point C51 on the object-sidesurface of the fifth lens and the optical axis; HVT52 a distanceperpendicular to the optical axis between the critical point C52 on theimage-side surface of the fifth lens and the optical axis; SGC51 is adistance on the optical axis between a point on the object-side surfaceof the fifth lens where the optical axis passes through and a pointwhere the critical point C51 projects on the optical axis; SGC52 is adistance on the optical axis between a point on the image-side surfaceof the fifth lens where the optical axis passes through and a pointwhere the critical point C52 projects on the optical axis. It is helpfulto correct the off-axis view field aberration.

The optical image capturing system satisfies 0.2≤HVT52/HOI≤0.9, andpreferably satisfies 0.3≤HVT52/HOI≤0.8. It may help to correct theperipheral aberration.

The optical image capturing system satisfies 0≤HVT52/HOS≤0.5, andpreferably satisfies 0.2≤HVT52/HOS≤0.45. It may help to correct theperipheral aberration.

The optical image capturing system of the present invention satisfies0<SGI511/(SGI511+TP5)≤0.9; 0<SGI521/(SGI521+TP5)≤0.9, and it ispreferable to satisfy 0.1≤SGI511/(SGI511+TP5)≤0.6;0.1≤SGI521/(SGI521+TP5)≤0.6, where SGI511 is a displacement on theoptical axis from a point on the object-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the closest to the opticalaxis, projects on the optical axis, and SGI521 is a displacement on theoptical axis from a point on the image-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the image-side surface, which is the closest to the opticalaxis, projects on the optical axis.

The optical image capturing system of the present invention satisfies0<SGI512/(SGI512+TP5)≤0.9; 0<SGI522/(SGI522+TP5)≤0.9, and it ispreferable to satisfy 0.1≤SGI512/(SGI512+TP5)≤0.6;0.1≤SGI522/(SGI522+TP5)≤0.6, where SGI512 is a displacement on theoptical axis from a point on the object-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the second closest to theoptical axis, projects on the optical axis, and SGI522 is a displacementon the optical axis from a point on the image-side surface of the fifthlens, through which the optical axis passes, to a point where theinflection point on the image-side surface, which is the second closestto the optical axis, projects on the optical axis.

The optical image capturing system of the present invention satisfies0.001 mm≤|HIF511|≤5 mm; 0.001 mm≤|HIF521|≤5 mm, and it is preferable tosatisfy 0.1 mm≤|HIF511|≤3.5 mm; 1.5 mm≤|HIF521|≤3.5 mm, where HIF511 isa distance perpendicular to the optical axis between the inflectionpoint on the object-side surface of the fifth lens, which is the closestto the optical axis, and the optical axis; HIF521 is a distanceperpendicular to the optical axis between the inflection point on theimage-side surface of the fifth lens, which is the closest to theoptical axis, and the optical axis.

The optical image capturing system of the present invention satisfies0.001 mm≤|HIF512|≤5 mm; 0.001 mm≤|HIF522|≤5 mm, and it is preferable tosatisfy 0.1 mm≤|HIF522|≤3.5 mm; 0.1 mm≤|HIF512|≤3.5 mm, where HIF512 isa distance perpendicular to the optical axis between the inflectionpoint on the object-side surface of the fifth lens, which is the secondclosest to the optical axis, and the optical axis; HIF522 is a distanceperpendicular to the optical axis between the inflection point on theimage-side surface of the fifth lens, which is the second closest to theoptical axis, and the optical axis.

The optical image capturing system of the present invention satisfies0.001 mm≤|HIF513|≤5 mm; 0.001 mm≤|HIF523|≤5 mm, and it is preferable tosatisfy 0.1 mm≤|HIF523|≤3.5 mm; 0.1 mm≤|HIF513|≤3.5 mm, where HIF513 isa distance perpendicular to the optical axis between the inflectionpoint on the object-side surface of the fifth lens, which is the thirdclosest to the optical axis, and the optical axis; HIF523 is a distanceperpendicular to the optical axis between the inflection point on theimage-side surface of the fifth lens, which is the third closest to theoptical axis, and the optical axis.

The optical image capturing system of the present invention satisfies0.001 mm≤|HIF514|≤5 mm; 0.001 mm≤|HIF524|≤5 mm, and it is preferable tosatisfy 0.1 mm≤|HIF524|≤3.5 mm; 0.1 mm≤|HIF514|≤3.5 mm, where HIF514 isa distance perpendicular to the optical axis between the inflectionpoint on the object-side surface of the fifth lens, which is the fourthclosest to the optical axis, and the optical axis; HIF524 is a distanceperpendicular to the optical axis between the inflection point on theimage-side surface of the fifth lens, which is the fourth closest to theoptical axis, and the optical axis.

In an embodiment, the lenses of high Abbe number and the lenses of lowAbbe number are arranged in an interlaced arrangement that could behelpful for correction of aberration of the system.

An equation of aspherical surface is z=ch ²/[1+[1(k+1)c ² h²]^(0.5)]+A4h ⁴ +A6h ⁶ +A8h ⁸ +A10h ¹⁰ +A12h ¹² +A14h ¹⁴ +A16h ¹⁶ +A18h¹⁸ +A20h ²⁰+ . . .   (1)

where z is a depression of the aspherical surface; k is conic constant;c is reciprocal of the radius of curvature; and A4, A6, A8, A10, A12,A14, A16, A18, and A20 are high-order aspheric coefficients.

In the optical image capturing system, the lenses could be made ofplastic or glass. The plastic lenses may reduce the weight and lower thecost of the system, and the glass lenses may control the thermal effectand enlarge the space for arrangement of the refractive power of thesystem. In addition, the opposite surfaces (object-side surface andimage-side surface) of the first to the fifth lenses could be asphericthat can obtain more control parameters to reduce aberration. The numberof aspheric glass lenses could be less than the conventional sphericalglass lenses, which is helpful for reduction of the height of thesystem.

When the lens has a convex surface, which means that the surface isconvex around a position, through which the optical axis passes, andwhen the lens has a concave surface, which means that the surface isconcave around a position, through which the optical axis passes.

The optical image capturing system of the present invention could beapplied in a dynamic focusing optical system. It is superior in thecorrection of aberration and high imaging quality so that it could beallied in lots of fields.

The optical image capturing system of the present invention couldfurther include a driving module to meet different demands, wherein thedriving module can be coupled with the lenses to move the lenses. Thedriving module can be a voice coil motor (VCM), which is used to movethe lens for focusing, or can be an optical image stabilization (OIS)component, which is used to lower the possibility of having the problemof image blurring which is caused by subtle movements of the lens whileshooting.

To meet different requirements, at least one lens among the first lensto the fifth lens of the optical image capturing system of the presentinvention can be a light filter, which filters out light of wavelengthshorter than 500 nm. Such effect can be achieved by coating on at leastone surface of the lens, or by using materials capable of filtering outshort waves to make the lens.

To meet different requirements, the image plane of the optical imagecapturing system in the present invention can be either flat or curved.If the image plane is curved (e.g., a sphere with a radius ofcurvature), the incidence angle required for focusing light on the imageplane can be decreased, which is not only helpful to shorten the lengthof the system (TTL), but also helpful to increase the relativeilluminance.

We provide several embodiments in conjunction with the accompanyingdrawings for the best understanding, which are:

First Embodiment

As shown in FIG. 1A and FIG. 1B, an optical image capturing system 10 ofthe first embodiment of the present invention includes, along an opticalaxis from an object side to an image side, a first lens 110, an aperture100, a second lens 120, a third lens 130, a fourth lens 140, a fifthlens 150, an infrared rays filter 170, an image plane 180, and an imagesensor 190. FIG. 1C shows a feature map of modulation transformation ofthe optical image capturing system of the first embodiment of thepresent application in visible light spectrum. FIG. 1D is a diagramshowing the through-focus MTF values of the visible light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe first embodiment of the present invention. FIG. 1E is a diagramshowing the through-focus MTF values of the infrared light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe first embodiment of the present disclosure.

The first lens 110 has negative refractive power and is made of plastic.An object-side surface 112 thereof, which faces the object side, is aconvex aspherical surface, and an image-side surface 114 thereof, whichfaces the image side, is a concave aspherical surface. The object-sidesurface 112 has an inflection point thereon. A thickness of the firstlens 110 on the optical axis is TP1, and a thickness of the first lens110 at the height of a half of the entrance pupil diameter (HEP) isdenoted by ETP 1.

The first lens satisfies SGI111=1.96546 mm;|SGI111|/(|SGI111|+TP1)=0.72369, where SGI111 is a displacement on theoptical axis from a point on the object-side surface of the first lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the closest to the opticalaxis, projects on the optical axis, and SGI121 is a displacement on theoptical axis from a point on the image-side surface of the first lens,through which the optical axis passes, to a point where the inflectionpoint on the image-side surface, which is the closest to the opticalaxis, projects on the optical axis.

The first lens satisfies HIF111=3.38542 mm; HIF111/HOI=0.90519, whereHIF111 is a displacement perpendicular to the optical axis from a pointon the object-side surface of the first lens, through which the opticalaxis passes, to the inflection point, which is the closest to theoptical axis; HIF121 is a displacement perpendicular to the optical axisfrom a point on the image-side surface of the first lens, through whichthe optical axis passes, to the inflection point, which is the closestto the optical axis.

The second lens 120 has positive refractive power and is made ofplastic. An object-side surface 122 thereof, which faces the objectside, is a convex aspherical surface, and an image-side surface 124thereof, which faces the image side, is a concave aspherical surface. Athickness of the second lens 120 on the optical axis is TP2, andthickness of the second lens 120 at the height of a half of the entrancepupil diameter (HEP) is denoted by ETP2.

For the second lens, a displacement on the optical axis from a point onthe object-side surface of the second lens, through which the opticalaxis passes, to a point where the inflection point on the image-sidesurface, which is the closest to the optical axis, projects on theoptical axis, is denoted by SGI211, and a displacement on the opticalaxis from a point on the image-side surface of the second lens, throughwhich the optical axis passes, to a point where the inflection point onthe image-side surface, which is the closest to the optical axis,projects on the optical axis is denoted by SGI221.

For the second lens, a displacement perpendicular to the optical axisfrom a point on the object-side surface of the second lens, throughwhich the optical axis passes, to the inflection point, which is theclosest to the optical axis is denoted by HIF211, and a displacementperpendicular to the optical axis from a point on the image-side surfaceof the second lens, through which the optical axis passes, to theinflection point, which is the closest to the optical axis is denoted byHIF221.

The third lens 130 has positive refractive power and is made of plastic.An object-side surface 132, which faces the object side, is a convexaspherical surface, and an image-side surface 134, which faces the imageside, is a convex aspherical surface. The object-side surface 132 has aninflection point. A thickness of the third lens 130 on the optical axisis TP3, and a thickness of the third lens 130 at the height of a half ofthe entrance pupil diameter (HEP) is denoted by ETP3.

The third lens 130 satisfies SGI311=0.00388 mm;|SGI311|/(|SGI311|+TP3)=0.00414, where SGI311 is a displacement on theoptical axis from a point on the object-side surface of the third lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the closest to the opticalaxis, projects on the optical axis, and SGI321 is a displacement on theoptical axis from a point on the image-side surface of the third lens,through which the optical axis passes, to a point where the inflectionpoint on the image-side surface, which is the closest to the opticalaxis, projects on the optical axis.

For the third lens 130, SGI312 is a displacement on the optical axisfrom a point on the object-side surface of the third lens, through whichthe optical axis passes, to a point where the inflection point on theobject-side surface, which is the second closest to the optical axis,projects on the optical axis, and SGI322 is a displacement on theoptical axis from a point on the image-side surface of the third lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the second closest to theoptical axis, projects on the optical axis.

The third lens 130 further satisfies HIF311=0.38898 mm;HIF311/HOI=0.10400, where HIF311 is a distance perpendicular to theoptical axis between the inflection point on the object-side surface ofthe third lens, which is the closest to the optical axis, and theoptical axis; HIF321 is a distance perpendicular to the optical axisbetween the inflection point on the image-side surface of the thirdlens, which is the closest to the optical axis, and the optical axis.

For the third lens 130, HIF312 is a distance perpendicular to theoptical axis between the inflection point on the object-side surface ofthe third lens, which is the second closest to the optical axis, and theoptical axis; HIF322 is a distance perpendicular to the optical axisbetween the inflection point on the image-side surface of the thirdlens, which is the second closest to the optical axis, and the opticalaxis.

The fourth lens 140 has positive refractive power and is made ofplastic. An object-side surface 142, which faces the object side, is aconvex aspherical surface, and an image-side surface 144, which facesthe image side, is a convex aspherical surface. The object-side surface142 has an inflection point. A thickness of the fourth lens 140 on theoptical axis is TP4, and a thickness of the fourth lens 140 at theheight of a half of the entrance pupil diameter (HEP) is denoted byETP4.

The fourth lens 140 satisfies SGI421=0.06508 mm;|SGI421|/(|SGI421|+TP4)=0.03459, where SGI411 is a displacement on theoptical axis from a point on the object-side surface of the fourth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the closest to the opticalaxis, projects on the optical axis, and SGI421 is a displacement on theoptical axis from a point on the image-side surface of the fourth lens,through which the optical axis passes, to a point where the inflectionpoint on the image-side surface, which is the closest to the opticalaxis, projects on the optical axis.

For the fourth lens 140, SGI412 is a displacement on the optical axisfrom a point on the object-side surface of the fourth lens, throughwhich the optical axis passes, to a point where the inflection point onthe object-side surface, which is the second closest to the opticalaxis, projects on the optical axis, and SGI422 is a displacement on theoptical axis from a point on the image-side surface of the fourth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the second closest to theoptical axis, projects on the optical axis.

The fourth lens 140 further satisfies HIF421=0.85606 mm;HIF421/HOI=0.22889, where HIF411 is a distance perpendicular to theoptical axis between the inflection point on the object-side surface ofthe fourth lens, which is the closest to the optical axis, and theoptical axis; HIF421 is a distance perpendicular to the optical axisbetween the inflection point on the image-side surface of the fourthlens, which is the closest to the optical axis, and the optical axis.

For the fourth lens 140, HIF412 is a distance perpendicular to theoptical axis between the inflection point on the object-side surface ofthe fourth lens, which is the second closest to the optical axis, andthe optical axis; HIF422 is a distance perpendicular to the optical axisbetween the inflection point on the image-side surface of the fourthlens, which is the second closest to the optical axis, and the opticalaxis.

The fifth lens 150 has negative refractive power and is made of plastic.An object-side surface 152, which faces the object side, is a concaveaspherical surface, and an image-side surface 154, which faces the imageside, is a concave aspherical surface. The object-side surface 152 andthe image-side surface 154 both have an inflection point. A thickness ofthe fifth lens 150 on the optical axis is TP5, and a thickness of thefifth lens 150 at the height of a half of the entrance pupil diameter(HEP) is denoted by ETP5.

The fifth lens 150 satisfies SGI511=−1.51505 mm;|SGI511|/(|SGI511|+TP5)=0.70144; SGI521=0.01229 mm;|SGI521|/(|SGI521|+TP5)=0.01870, where SGI511 is a displacement on theoptical axis from a point on the object-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the closest to the opticalaxis, projects on the optical axis, and SGI521 is a displacement on theoptical axis from a point on the image-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the image-side surface, which is the closest to the opticalaxis, projects on the optical axis.

For the fifth lens 150, SGI512 is a displacement on the optical axisfrom a point on the object-side surface of the fifth lens, through whichthe optical axis passes, to a point where the inflection point on theobject-side surface, which is the second closest to the optical axis,projects on the optical axis, and SGI522 is a displacement on theoptical axis from a point on the image-side surface of the fifth lens,through which the optical axis passes, to a point where the inflectionpoint on the object-side surface, which is the second closest to theoptical axis, projects on the optical axis.

The fifth lens 150 further satisfies HIF511=2.25435 mm;HIF511/HOI=0.60277; HIF521=0.82313 mm; HIF521/HOI=0.22009, where HIF511is a distance perpendicular to the optical axis between the inflectionpoint on the object-side surface of the fifth lens, which is the closestto the optical axis, and the optical axis; HIF521 is a distanceperpendicular to the optical axis between the inflection point on theimage-side surface of the fifth lens, which is the closest to theoptical axis, and the optical axis.

For the fifth lens 150, HIF512 is a distance perpendicular to theoptical axis between the inflection point on the object-side surface ofthe fifth lens, which is the second closest to the optical axis, and theoptical axis; HIF522 is a distance perpendicular to the optical axisbetween the inflection point on the image-side surface of the fifthlens, which is the second closest to the optical axis, and the opticalaxis.

A distance in parallel with the optical axis between a coordinate pointat a height of ½ HEP on the object-side surface of the first lens 110and the image plane is ETL, and a distance in parallel with the opticalaxis between the coordinate point at the height of ½ HEP on theobject-side surface of the first lens 110 and a coordinate point at aheight of ½ HEP on the image-side surface of the fourth lens 140 is EIN,which satisfy: ETL=10.449 mm; EIN=9.752 mm; EIN/ETL=0.933.

The optical image capturing system of the first embodiment satisfies:ETP1=0.870 mm; ETP2=0.780 mm; ETP3=0.825 mm; ETP4=1.562 mm; ETP5=0.923mm. The sum of the aforementioned ETP1 to ETP5 is SETP, whereinSETP=4.960 mm. In addition, TP1=0.750 mm; TP2=0.895 mm; TP3=0.932 mm;TP4=1.816 mm; TP5=0.645 mm. The sum of the aforementioned TP1 to TP5 isSTP, wherein STP=5.039 mm; SETP/STP=0.984.

In order to enhance the ability of correcting aberration and to lowerthe difficulty of manufacturing at the same time, the ratio between thethickness (ETP) at the height of a half of the entrance pupil diameter(HEP) and the thickness (TP) of any lens on the optical axis (i.e.,ETP/TP) in the optical image capturing system of the first embodiment isparticularly controlled, which satisfies: ETP1/TP1=1.160;ETP2/TP2=0.871; ETP3/TP3=0.885; ETP4/TP4=0.860; ETP5/TP5=1.431.

In order to enhance the ability of correcting aberration, lower thedifficulty of manufacturing, and “slightly shortening” the length of theoptical image capturing system at the same time, the ratio between thehorizontal distance (ED) between two neighboring lenses at the height ofa half of the entrance pupil diameter (HEP) and the parallel distance(IN) between these two neighboring lens on the optical axis (i.e.,ED/IN) in the optical image capturing system of the first embodiment isparticularly controlled, which satisfies: the horizontal distancebetween the first lens 110 and the second lens 120 at the height of ahalf of the entrance pupil diameter (HEP) is denoted by ED12, whereinED12=3.152 mm; the horizontal distance between the second lens 120 andthe third lens 130 at the height of a half of the entrance pupildiameter (HEP) is denoted by ED23, wherein ED23=0.478 mm; the horizontaldistance between the third lens 130 and the fourth lens 140 at theheight of a half of the entrance pupil diameter (HEP) is denoted byED34, wherein ED34=0.843 mm; the horizontal distance between the fourthlens 140 and the fifth lens 150 at the height of a half of the entrancepupil diameter (HEP) is denoted by ED45, wherein ED45=0.320 mm. The sumof the aforementioned ED12 to ED45 is SED, wherein SED=4.792 mm.

The horizontal distance between the first lens 110 and the second lens120 on the optical axis is denoted by IN12, wherein IN12=3.190 mm, andED12/IN12=0.988. The horizontal distance between the second lens 120 andthe third lens 130 on the optical axis is denoted by IN23, whereinIN23=0.561 mm, and ED23/IN23=0.851. The horizontal distance between thethird lens 130 and the fourth lens 140 on the optical axis is denoted byIN34, wherein IN34=0.656 mm, and ED34/IN34=1.284. The horizontaldistance between the fourth lens 140 and the fifth lens 150 on theoptical axis is denoted by IN45, wherein IN45=0.405 mm, andED45/IN45=0.792. The sum of the aforementioned IN12 to IN45 is denotedby SIN, wherein SIN=0.999 mm, and SED/SIN=1.083.

The optical image capturing system of the first embodiment satisfies:ED12/ED23=6.599; ED23/ED34=0.567; ED34/ED45=2.630; IN12/IN23=5.687;IN23/IN34=0.855; IN34/IN45=1.622.

The horizontal distance in parallel with the optical axis between acoordinate point at the height of ½ HEP on the image-side surface of thefifth lens 150 and image plane is denoted by EBL, wherein EBL=0.697 mm.The horizontal distance in parallel with the optical axis between thepoint on the image-side surface of the fifth lens 150 where the opticalaxis passes through and the image plane is denoted by BL, whereinBL=0.71184 mm. The optical image capturing system of the firstembodiment satisfies: EBL/BL=0.979152. The horizontal distance inparallel with the optical axis between the coordinate point at theheight of ½ HEP on the image-side surface of the fifth lens 150 and theinfrared rays filter 170 is denoted by EIR, wherein EIR=0.085 mm. Thehorizontal distance in parallel with the optical axis between the pointon the image-side surface of the fifth lens 150 where the optical axispasses through and the infrared rays filter 170 is denoted by PIR,wherein PIR=0.100 mm, and it satisfies: EIR/PIR=0.847.

The infrared rays filter 170 is made of glass and between the fifth lens150 and the image plane 180. The infrared rays filter 170 gives nocontribution to the focal length of the system.

The optical image capturing system 10 of the first embodiment has thefollowing parameters, which are f=3.03968 mm; f/HEP=1.6; HAF=50.001degrees; and tan(HAF)=1.1918, where f is a focal length of the system;HAF is a half of the maximum field angle; and HEP is an entrance pupildiameter.

The parameters of the lenses of the first embodiment are f1=−9.24529 mm;|f/f1|=0.32878; f5=−2.32439; and |f1|>f5, where f1 is a focal length ofthe first lens 110; and f5 is a focal length of the fifth lens 150.

The first embodiment further satisfies |f2|+|f3|+|f4|=17.3009 mm;|f1|+|f5|=11.5697 mm and |f2|+|f3|+|f4|>|f1|+|f5|, where f2 is a focallength of the second lens 120, f3 is a focal length of the third lens130, f4 is a focal length of the fourth lens 140, and f5 is a focallength of the fifth lens 150.

The optical image capturing system 10 of the first embodiment furthersatisfies ΣPPR=f/f2+f/f3+f/f4=1.86768; ΣNPR=f/f1+f/f5=−1.63651;ΣPPR/|ΣNPR|=1.14125; |f/f2|=0.47958; |f/f3|=0.38289; |f/f4|=1.00521;|f/f5|=1.30773, where PPR is a ratio of a focal length f of the opticalimage capturing system to a focal length fp of each of the lenses withpositive refractive power; and NPR is a ratio of a focal length f of theoptical image capturing system to a focal length fn of each of lenseswith negative refractive power.

The optical image capturing system 10 of the first embodiment furthersatisfies InTL+BFL=HOS; HOS=10.56320 mm; HOI=3.7400 mm; HOS/HOI=2.8244;HOS/f=3.4751; InS=6.21073 mm; and InS/HOS=0.5880, where InTL is adistance between the object-side surface 112 of the first lens 110 andthe image-side surface 154 of the fifth lens 150; HOS is a height of theimage capturing system, i.e. a distance between the object-side surface112 of the first lens 110 and the image plane 180; InS is a distancebetween the aperture 100 and the image plane 180; HOI is a half of adiagonal of an effective sensing area of the image sensor 190, i.e., themaximum image height; and BFL is a distance between the image-sidesurface 154 of the fifth lens 150 and the image plane 180.

The optical image capturing system 10 of the first embodiment furthersatisfies ΣTP=5.0393 mm; InTL=9.8514 mm and ΣTP/InTL=0.5115, where ΣTPis a sum of the thicknesses of the lenses 110-150 with refractive power.It is helpful for the contrast of image and yield rate of manufactureand provides a suitable back focal length for installation of otherelements.

The optical image capturing system 10 of the first embodiment furthersatisfies |R1/R2|=1.9672, where R1 is a radius of curvature of theobject-side surface 112 of the first lens 110, and R2 is a radius ofcurvature of the image-side surface 114 of the first lens 110. Itprovides the first lens with a suitable positive refractive power toreduce the increase rate of the spherical aberration.

The optical image capturing system 10 of the first embodiment furthersatisfies (R9−R10)/(R9+R10)=−1.1505, where R9 is a radius of curvatureof the object-side surface 152 of the fifth lens 150, and R10 is aradius of curvature of the image-side surface 154 of the fifth lens 150.It may modify the astigmatic field curvature.

The optical image capturing system 10 of the first embodiment furthersatisfies ΣPP=f2+f3+f4=17.30090 mm; and f2/(f2+f3+f4)=0.36635, where ΣPPis a sum of the focal lengths fp of each lens with positive refractivepower. It is helpful to share the positive refractive power of thesecond lens 120 to other positive lenses to avoid the significantaberration caused by the incident rays.

The optical image capturing system 10 of the first embodiment furthersatisfies ΣNP=f1+f5=−11.56968 mm; and f5/(f1+f5)=0.20090, where ΣNP is asum of the focal lengths fn of each lens with negative refractive power.It is helpful to share the negative refractive power of the fifth lens150 to the other negative lens, which avoids the significant aberrationcaused by the incident rays.

The optical image capturing system 10 of the first embodiment furthersatisfies IN12=3.19016 mm; IN12/f=1.04951, where IN12 is a distance onthe optical axis between the first lens 110 and the second lens 120. Itmay correct chromatic aberration and improve the performance.

The optical image capturing system 10 of the first embodiment furthersatisfies IN45=0.40470 mm; IN45/f=0.13314, where IN45 is a distance onthe optical axis between the fourth lens 140 and the fifth lens 150. Itmay correct chromatic aberration and improve the performance.

The optical image capturing system 10 of the first embodiment furthersatisfies TP1=0.75043 mm; TP2=0.89543 mm; TP3=0.93225 mm; and(TP1+IN12)/TP2=4.40078, where TP1 is a central thickness of the firstlens 110 on the optical axis, TP2 is a central thickness of the secondlens 120 on the optical axis, and TP3 is a central thickness of thethird lens 130 on the optical axis. It may control the sensitivity ofmanufacture of the system and improve the performance.

The optical image capturing system 10 of the first embodiment furthersatisfies TP4=1.81634 mm; TP5=0.64488 mm; and (TP5+IN45)/TP4=0.57785,where TP4 is a central thickness of the fourth lens 140 on the opticalaxis, TP5 is a central thickness of the fifth lens 150 on the opticalaxis, and IN45 is a distance on the optical axis between the fourth lens140 and the fifth lens 150. It may control the sensitivity ofmanufacture of the system and lower the total height of the system.

The optical image capturing system 10 of the first embodiment furthersatisfies TP2/TP3=0.96051; TP3/TP4=0.51325; TP4/TP5=2.81657; andTP3/(IN23+TP3+IN34)=0.43372, where IN34 is a distance on the opticalaxis between the third lens 130 and the fourth lens 140. It may controlthe sensitivity of manufacture of the system and lower the total heightof the system.

The optical image capturing system 10 of the first embodiment furthersatisfies InRS41=−0.09737 mm; InRS42=−1.31040 mm; |InRS41|/TP4=0.05361and |InRS42|/TP4=0.72145, where InRS41 is a displacement from a point onthe object-side surface 142 of the fourth lens passed through by theoptical axis to a point on the optical axis where a projection of themaximum effective semi diameter of the object-side surface 142 of thefourth lens ends; InRS42 is a displacement from a point on theimage-side surface 144 of the fourth lens passed through by the opticalaxis to a point on the optical axis where a projection of the maximumeffective semi diameter of the image-side surface 144 of the fourth lensends; and TP4 is a central thickness of the fourth lens 140 on theoptical axis. It is helpful for manufacturing and shaping of the lensesand is helpful to reduce the size.

The optical image capturing system 10 of the first embodiment furthersatisfies HVT41=1.41740 mm; HVT42=0, where HVT41 a distanceperpendicular to the optical axis between the critical point on theobject-side surface 142 of the fourth lens and the optical axis; andHVT42 a distance perpendicular to the optical axis between the criticalpoint on the image-side surface 144 of the fourth lens and the opticalaxis.

The optical image capturing system 10 of the first embodiment furthersatisfies InRS51=−1.63543 mm; InRS52=−0.34495 mm; |InRS51|/TP5=2.53604and |InRS52|/TP5=0.53491, where InRS51 is a displacement from a point onthe object-side surface 152 of the fifth lens passed through by theoptical axis to a point on the optical axis where a projection of themaximum effective semi diameter of the object-side surface 152 of thefifth lens ends; InRS52 is a displacement from a point on the image-sidesurface 154 of the fifth lens passed through by the optical axis to apoint on the optical axis where a projection of the maximum effectivesemi diameter of the image-side surface 154 of the fifth lens ends; andTP5 is a central thickness of the fifth lens 150 on the optical axis. Itis helpful for manufacturing and shaping of the lenses and is helpful toreduce the size.

The optical image capturing system 10 of the first embodiment satisfiesHVT51=0; HVT52=1.35891 mm; and HVT51/HVT52=0, where HVT51 a distanceperpendicular to the optical axis between the critical point on theobject-side surface 152 of the fifth lens and the optical axis; andHVT52 a distance perpendicular to the optical axis between the criticalpoint on the image-side surface 154 of the fifth lens and the opticalaxis.

The optical image capturing system 10 of the first embodiment satisfiesHVT52/HOI=0.36334. It is helpful for correction of the aberration of theperipheral view field of the optical image capturing system.

The optical image capturing system 10 of the first embodiment satisfiesHVT52/HOS=0.12865. It is helpful for correction of the aberration of theperipheral view field of the optical image capturing system.

The third lens 130 and the fifth lens 150 have negative refractivepower. The optical image capturing system 10 of the first embodimentfurther satisfies NA5/NA3=0.368966, where NA3 is an Abbe number of thethird lens 130; and NA5 is an Abbe number of the fifth lens 150. It maycorrect the aberration of the optical image capturing system.

The optical image capturing system 10 of the first embodiment furthersatisfies |TDT|=0.63350%; |ODT|=2.06135%, where TDT is TV distortion;and ODT is optical distortion.

In the present embodiment, the lights of any field of view can befurther divided into sagittal ray and tangential ray, and the spatialfrequency of 110 cycles/mm serves as the benchmark for assessing thefocus shifts and the values of MTF. The focus shifts where thethrough-focus MTF values of the visible sagittal ray at the centralfield of view, 0.3 field of view, and 0.7 field of view of the opticalimage capturing system are at their respective maxima are denoted byVSFS0, VSFS3, and VSFS7 (unit of measurement: mm), respectively. Thevalues of VSFS0, VSFS3, and VSFS7 equal to 0.000 mm, 0.000 mm, and−0.020 mm, respectively. The maximum values of the through-focus MTF ofthe visible sagittal ray at the central field of view, 0.3 field ofview, and 0.7 field of view are denoted by VSMTF0, VSMTF3, and VSMTF7,respectively. The values of VSMTF0, VSMTF3, and VSMTF7 equal to 0.383,0.352, and 0.304, respectively. The focus shifts where the through-focusMTF values of the visible tangential ray at the central field of view,0.3 field of view, and 0.7 field of view of the optical image capturingsystem are at their respective maxima, are denoted by VTFS0, VTFS3, andVTFS7 (unit of measurement: mm), respectively. The values of VTFS0,VTFS3, and VTFS7 equal to 0.000 mm, 0.030 mm, and 0.010 mm,respectively. The maximum values of the through-focus MTF of the visibletangential ray at the central field of view, 0.3 field of view, and 0.7field of view are denoted by VTMTF0, VTMTF3, and VTMTF7, respectively.The values of VTMTF0, VTMTF3, and VTMTF7 equal to 0.383, 0.311, and0.179, respectively. The average focus shift (position) of both theaforementioned focus shifts of the visible sagittal ray at three fieldsof view and focus shifts of the visible tangential ray at three fieldsof view is denoted by AVFS (unit of measurement: mm), which satisfiesthe absolute value |(VSFS0+VSFS3+VSFS7+VTFS0+VTFS3+VTFS7)/6|=|0.003 mm|.

The focus shifts where the through-focus MTF values of the infraredsagittal ray at the central field of view, 0.3 field of view, and 0.7field of view of the optical image capturing system are at theirrespective maxima, are denoted by ISFS0, ISFS3, and ISFS7 (unit ofmeasurement: mm), respectively. The values of ISFS0, ISFS3, and ISFS7equal to 0.060 mm, 0.060 mm, and 0.030 mm, respectively. The averagefocus shift (position) of the aforementioned focus shifts of theinfrared sagittal ray at three fields of view is denoted by AISFS (unitof measurement: mm). The maximum values of the through-focus MTF of theinfrared sagittal ray at the central field of view, 0.3 field of view,and 0.7 field of view are denoted by ISMTF0, ISMTF3, and ISMTF7,respectively. The values of ISMTF0, ISMTF3, and ISMTF7 equal to 0.642,0.653, and 0.254, respectively. The focus shifts where the through-focusMTF values of the infrared tangential ray at the central field of view,0.3 field of view, and 0.7 field of view of the optical image capturingsystem are at their respective maxima, are denoted by ITFS0, ITFS3, andITFS7 (unit of measurement: mm), respectively. The values of ITFS0,ITFS3, and ITFS7 equal to 0.060, 0.070, and 0.030, respectively. Theaverage focus shift (position) of the aforementioned focus shifts of theinfrared tangential ray at three fields of view is denoted by AITFS(unit of measurement: mm). The maximum values of the through-focus MTFof the infrared tangential ray at the central field of view, 0.3 fieldof view, and 0.7 field of view are denoted by ITMTF0, ITMTF3, andITMTF7, respectively. The values of ITMTF0, ITMTF3, and ITMTF7 equal to0.642, 0.446, and 0.239, respectively. The average focus shift(position) of both of the aforementioned focus shifts of the infraredsagittal ray at the three fields of view and focus shifts of theinfrared tangential ray at the three fields of view is denoted by AIFS(unit of measurement: mm), which equals to the absolute value of|(ISFS0+ISFS3+ISFS7+ITFS0+ITFS3+ITFS7)/6|=|0.052 mm|.

The focus shift (difference) between the focal points of the visiblelight and the infrared light at their central fields of view (RGB/IR) ofthe entire optical image capturing system (i.e. wavelength of 850 nmversus wavelength of 555 nm, unit of measurement: mm) is denoted by FS(the distance between the first and second image planes on the opticalaxis), which satisfies the absolute value|(VSFS0+VTFS0)/2−(ISFS0+ITFS0)/2|=|0.060 mm|. The difference (focusshift) between the average focus shift of the visible light in the threefields of view and the average focus shift of the infrared light in thethree fields of view (RGB/IR) of the entire optical image capturingsystem is denoted by AFS (i.e. wavelength of 850 nm versus wavelength of555 nm, unit of measurement: mm), for which the absolute value of|AIFS−AVFS|=10.048 mm is satisfied.

For the optical image capturing system of the first embodiment, thevalues of MTF in the spatial frequency of 55 cycles/mm at the opticalaxis, 0.3 field of view, and 0.7 field of view on an image plane arerespectively denoted by MTFE0, MTFE3, and MTFE7, wherein MTFE0 is around0.65, MTFE3 is around 0.47, and MTFE7 is around 0.39; the values of MTFin the spatial frequency of 110 cycles/mm at the optical axis, 0.3 fieldof view, and 0.7 field of view on an image plane are respectivelydenoted by MTFQ0, MTFQ3, and MTFQ7, wherein MTFQ0 is around 0.38, MTFQ3is around 0.14, and MTFQ7 is around 0.13; the values of modulationtransfer function (MTF) in the spatial frequency of 220 cycles/mm at theoptical axis, 0.3 field of view, and 0.7 field of view on an image planeare respectively denoted by MTFH0, MTFH3, and MTFH7, wherein MTFH0 isaround 0.17, MTFH3 is around 0.07, and MTFH7 is around 0.14.

For the optical image capturing system of the first embodiment, when theinfrared of wavelength of 850 nm focuses on the image plane, the valuesof MTF in spatial frequency (55 cycles/mm) at the optical axis, 0.3 HOI,and 0.7 HOI on an image plane are respectively denoted by MTFI0, MTFI3,and MTFI7, wherein MTFI0 is around 0.05, MTFI3 is around 0.12, and MTFI7is around 0.11.

The parameters of the lenses of the first embodiment are listed in Table1 and Table 2.

TABLE 1 f = 3.03968 mm; f/HEP = 1.6; HAF = 50.0010 deg Focal Radius ofcurvature Thickness Refractive Abbe length Surface (mm) (mm) Materialindex number (mm) 0 Object plane infinity 1 1^(st) lens 4.01438621 0.750plastic 1.514 56.80 −9.24529 2 2.040696375 3.602 3 Aperture plane −0.4124 2^(nd) lens 2.45222384 0.895 plastic 1.565 58.00 6.33819 5 6.7058982640.561 6 3^(rd) lens 16.39663088 0.932 plastic 1.565 58.00 7.93877 7−6.073735083 0.656 8 4^(th) lens 4.421363446 1.816 plastic 1.565 58.003.02394 9 −2.382933539 0.405 10 5^(th) lens −1.646639396 0.645 plastic1.650 21.40 −2.32439 11 23.53222697 0.100 12 Infrared plane 0.200BK7_SCH 1.517 64.20 rays filter 13 plane 0.412 14 Image plane planeReference wavelength: 555 mm

TABLE 2 Coefficients of the aspherical surfaces Surface 1 2 4 5 6 7 8 k−1.882119E−01 −1.927558E+00 −6.483417E+00 1.766123E+01 −5.000000E+01−3.544648E+01 −3.167522E+01 A4 7.686381E−04 3.070422E−02 5.439775E−027.241691E−03 −2.985209E−02 −6.315366E−02 −1.903506E−03 A6 4.630306E−04−3.565153E−03 −7.980567E−03 −8.359563E−03 −7.175713E−03 6.038040E−03−1.806837E−03 A8 3.1789662E−05 2.062259E−03 −3.537039E−04 1.303430E−024.284107E−03 4.674156E−03 −1.670351E−03 A10 −1.773597E−05 −1.571117E−042.844845E−03 −6.951350E−03 −5.492349E−03 −8.031117E−03 4.791024E−04 A121.620619E−06 −4.694004E−05 −1.025049E−03 1.366262E−03 1.232072E−033.319791E−03 −5.594125E−05 A14 −4.916041E−08 7.399980E−06 1.913679E−043.588298E−04 −4.107269E−04 −5.356799E−04 3.704401E−07 A16 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 A18 0.000000E+00 0.000000E+00 0.000000E+00 0.000000+000.000000E+00 0.000000E+00 0.000000E+00 A20 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 Surface8 9 10 k −2.470764E+00 −1.570351E+00 4.928899E+01 A4 −2.346908E−04−4.250059E−04 −4.625703E−03 A6 2.481207E−03 −1.591781E−04 −7.108872E−04A8 −5.862277E−04 −3.752177E−05 3.429244E−05 A10 −1.955029E−04−9.210114E−05 2.887298E−06 A12 1.880941E−05 −1.101797E−05 3.684628E−07A14 1.132586E−06 3.536320E−06 −4.741322E−08 A16 0.000000E+000.000000E+00 0.000000E+00 A18 0.000000E+00 0.000000E+00 0.000000E+00 A200.000000E+00 0.000000E+00 0.000000E+00

The detail parameters of the first embodiment are listed in Table 1, inwhich the unit of the radius of curvature, thickness, and focal lengthare millimeter, and surface 0-10 indicates the surfaces of all elementsin the system in sequence from the object side to the image side. Table2 is the list of coefficients of the aspherical surfaces, in whichA1-A20 indicate the coefficients of aspherical surfaces from the firstorder to the twentieth order of each aspherical surface. The followingembodiments have the similar diagrams and tables, which are the same asthose of the first embodiment, so we do not describe it again.

Second Embodiment

As shown in FIG. 2A and FIG. 2B, an optical image capturing system 20 ofthe second embodiment of the present invention includes, along anoptical axis from an object side to an image side, a first lens 210, asecond lens 220, an aperture 200, a third lens 230, a fourth lens 240, afifth lens 250, an infrared rays filter 270, an image plane 280, and animage sensor 290. FIG. 2C shows a feature map of modulationtransformation of the optical image capturing system of the secondembodiment of the present application in visible light spectrum. FIG. 2Dis a diagram showing the through-focus MTF values of the visible lightspectrum at the central field of view, 0.3 field of view, and 0.7 fieldof view of the second embodiment of the present invention. FIG. 2E is adiagram showing the through-focus MTF values of the infrared lightspectrum at the central field of view, 0.3 field of view, and 0.7 fieldof view of the second embodiment of the present disclosure.

The first lens 210 has positive refractive power and is made of plastic.An object-side surface 212 thereof, which faces the object side, is aconvex aspherical surface, and an image-side surface 214 thereof, whichfaces the image side, is a concave aspherical surface. The object-sidesurface 212 and the image-side surface 214 both have an inflectionpoint.

The second lens 220 has positive refractive power and is made ofplastic. An object-side surface 222 thereof, which faces the objectside, is a convex aspherical surface, and an image-side surface 224thereof, which faces the image side, is a convex aspherical surface. Theobject-side surface 222 and the image-side surface 224 both have aninflection point.

The third lens 230 has negative refractive power and is made of plastic.An object-side surface 232, which faces the object side, is a convexaspherical surface, and an image-side surface 234, which faces the imageside, is a concave aspherical surface. The image-side surface 234 has aninflection point.

The fourth lens 240 has negative refractive power and is made ofplastic. An object-side surface 242, which faces the object side, is aconvex aspherical surface, and an image-side surface 244, which facesthe image side, is a concave aspherical surface.

The fifth lens 250 has positive refractive power and is made of plastic.An object-side surface 252, which faces the object side, is a convexaspherical surface, and an image-side surface 254, which faces the imageside, is a concave aspherical surface. The object-side surface 252 andthe image-side surface 254 both have an inflection point. It may help toshorten the back focal length to keep small in size. In addition, it mayreduce an incident angle of the light of an off-axis field of view andcorrect the aberration of the off-axis field of view.

The infrared rays filter 270 is made of glass and between the fifth lens250 and the image plane 280. The infrared rays filter 270 gives nocontribution to the focal length of the system.

The parameters of the lenses of the second embodiment are listed inTable 3 and Table 4.

TABLE 3 f = 8.53867 mm; f/HEP = 1.8; HAF = 14.985 deg Radius ofcurvature Thickness Refractive Abbe Focal length Surface (mm) (mm)Material index number (mm) 0 Object 1E+18 1E+18 1 1^(st) Aperture 1E+18−0.303 2 1^(st) lens 8.261790636 0.597 plastic 1.5441 56.0637 19.8518 333.88528486 0.100 4 2^(nd) lens 4.871581331 0.602 plastic 1.5441 56.06376.20831 5 −10.64941939 0.112 6 3^(rd) lens 16.66358676 0.423 plastic1.5441 56.0637 −25.3924 7 7.498968538 0.141 8 4^(th) lens 39.922990550.557 plastic 1.66099 20.3809 −5.6472 9 2^(nd) Aperture 3.4218214922.283 10 5^(th) lens 2.663392777 2.000 plastic 1.5441 56.0637 9.90408 113.85755117 0.696 12 Infrared 1E+18 0.150 NBK7 1.517 64.135 rays filter13 1E+18 2.655 14 Image plane 1E+18 0.000 Reference wavelength: 555 nm;the position of blocking light: the effective half diameter of the clearaperture of the fourth surface is 2.400 mm; the effective half diameterof the clear aperture of the eighth surface is 2.150 mm; the aperturevalue is calculated with the first aperture, and HEP is calculated withthe effective diameter of the second aperture at the ninth surface,which equals to 3.882.

TABLE 4 Coefficients of the aspherical surfaces Surface 2 3 4 5 6 7 8 k−5.184188E−01  0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A4 3.117864E−03 −3.773439E−03  −1.538830E−02 1.313530E−02 6.067038E−03 −3.655604E−03  1.285862E−02 A6 −4.246085E−04 2.016456E−04 5.557630E−04 −7.759606E−04  1.338885E−04 −1.186778E−04 −4.433928E−04  A8 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 A10 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A120.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A14 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A16 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 A18 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 Surface 9 10 11 k 0.000000E+00−2.294827E+00  9.205219E−01 A4 −1.269065E−02  3.028643E−03−1.293221E−03  A6 2.016342E−03 −8.845356E−04  −1.779086E−03  A80.000000E+00 0.000000E+00 0.000000E+00 A10 0.000000E+00 0.000000E+000.000000E+00 A12 0.000000E+00 0.000000E+00 0.000000E+00 A14 0.000000E+000.000000E+00 0.000000E+00 A16 0.000000E+00 0.000000E+00 0.000000E+00 A180.000000E+00 0.000000E+00 0.000000E+00

An equation of the aspherical surfaces of the second embodiment is thesame as that of the first embodiment, and the definitions are the sameas well.

The exact parameters of the second embodiment based on Table 3 and Table4 are listed in the following table:

Second embodiment (Reference wavelength: 555 nm) MTFE0 MTFE3 MTFE7 MTFQ0MTFQ3 MTFQ7 0.8 0.85 0.83 0.5 0.57 0.53 ETP1 ETP2 ETP3 ETP4 ETP5 BL0.345 0.354 0.405 0.897 1.838 3.5009 ETP1/TP1 ETP2/TP2 ETP3/TP3 ETP4/TP4ETP5/TP5 EBL/BL 0.578 0.588 0.956 1.612 0.919 0.8649 ETL EBL EIN EIR PIRBIN/ETL 10.051 3.028 7.024 0.222 0.696 0.699 SETP/EIN BIR/PIR SETP STPSETP/STP SED/SIN 0.546 0.319 3.838 4.178 0.919 1.208 ED12 ED23 ED34 ED45SED SIN 0.306 0.365 0.161 2.354 3.186 2.636 ED12/ ED23/ ED34/ ED45/ IN12IN23 IN34 IN45 HVT31 HVT32 3.063 3.250 1.139 1.031 0 0 |f/f1| |f/f2||f/f3| |f/f4| |f/f5| |f1/f2| 0.43012 1.37536 0.33627 1.51202 0.862143.19762 ΣPPR/ ΣPPR ΣNPR |ΣNPR| IN12/f IN45/f |f2/f3| 2.8874 1.62851.7730 0.0117 0.2674 0.2445 TP3/ (IN23 + TP3 + IN34) (TP1 + IN12)/TP2(TP5 + IN45)/TP4 0.62535 1.15768 7.69566 HOS InTL HOS/HOI InS/HOS ODT %TDT % 10.31540 6.81447 4.48496 0.96442 0.642593 0.22796 HVT52/ HVT41HVT42 HVT51 HVT52 HOI HVT52/HOS 0.00000 0.00000 0.00000 0.00000 0.000000.00000 |InRS51|/ |InRS52|/ TP2/TP3 TP3/TP4 InRS51 InRS52 TP5 TP51.42246 0.76022 0.76547 0.51957 0.38274 0.25979 VSFS0 VSFS3 VSFS7 VTFS0VTFS3 VTFS7 0.010 0.005 −0.010 0.010 0.005 −0.000 VSMTF0 VSMTF3 VSMTF7VTMTF0 VTMTF3 VTMTF7 0.629 0.637 0.619 0.629 0.638 0.533 ISFS0 ISFS3ISFS7 ITFS0 ITFS3 ITFS7 0.015 0.010 −0.030 0.015 0.010 −0.025 ISMTF0ISMTF3 ISMTF7 ITMTF0 ITMTF3 ITMTF7 0.309 0.289 0.234 0.309 0.286 0.265FS AIFS AVFS AFS 0.005 −0.001 0.003 0.004

The results of the equations of the second embodiment based on Table 3and Table 4 are listed in the following table:

Values related to the inflection points of the second embodiment(Reference wavelength: 555 nm) HIF111 2.2267 HIF111/HOI 0.9681 SGI1110.3276 |SGI111|/(|SGI111| + TP1) 0.3545 HIF121 0.8496 HIF121/HOI 0.3694SGI121 0.0088 |SGI121|/(|SGI121| + TP1) 0.0145 HIF211 1.1798 HIF211/HOI0.5130 SGI211 0.1167 |SGI211|/(|SGI211| + TP2) 0.1624 HIF221 0.8165HIF221/HOI 0.3550 SGI221 −0.0257 |SGI221|/(|SGI221| + TP2) 0.0410 HIF3211.6390 HIF321/HOI 0.7126 SGI321 0.1526 |SGI321|/(|SGI321| + TP3) 0.2651HIF511 1.8420 HIF511/HOI 0.8009 SGI511 0.5609 |SGI511|/(|SGI511| + TP5)0.2190 HIF521 1.7553 HIF521/HOI 0.7632 SGI521 0.3854|SGI521|/(|SGI521| + TP5) 0.1616

Third Embodiment

As shown in FIG. 3A and FIG. 3B, an optical image capturing system ofthe third embodiment of the present invention includes, along an opticalaxis from an object side to an image side, an aperture 300, a first lens310, a second lens 320, a third lens 330, a fourth lens 340, a fifthlens 350, an infrared rays filter 370, an image plane 380, and an imagesensor 390. FIG. 3C shows a feature map of modulation transformation ofthe optical image capturing system of the third embodiment of thepresent application in visible light spectrum. FIG. 3D is a diagramshowing the through-focus MTF values of the visible light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe third embodiment of the present invention. FIG. 3E is a diagramshowing the through-focus MTF values of the infrared light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe third embodiment of the present disclosure.

The first lens 310 has positive refractive power and is made of plastic.An object-side surface 312 thereof, which faces the object side, is aconcave aspherical surface, and an image-side surface 314 thereof, whichfaces the image side, is a convex aspherical surface. The image-sidesurface 314 has an inflection point.

The second lens 320 has positive refractive power and is made ofplastic. An object-side surface 322 thereof, which faces the objectside, is a concave aspherical surface, and an image-side surface 324thereof, which faces the image side, is a convex aspherical surface. Theobject-side surface 322 and the image-side surface 324 both have aninflection point.

The third lens 330 has positive refractive power and is made of plastic.An object-side surface 332 thereof, which faces the object side, is aconvex aspherical surface, and an image-side surface 334 thereof, whichfaces the image side, is a concave aspherical surface. The object-sidesurface 332 and the image-side surface 334 both have an inflectionpoint.

The fourth lens 340 has negative refractive power and is made ofplastic. An object-side surface 342, which faces the object side, is aconcave aspherical surface, and an image-side surface 344, which facesthe image side, is a concave aspherical surface. The object-side surface342 has an inflection point.

The fifth lens 350 has positive refractive power and is made of plastic.An object-side surface 352, which faces the object side, is a convexaspherical surface, and an image-side surface 354, which faces the imageside, is a concave aspherical surface. The object-side surface 352 andthe image-side surface 354 both have an inflection point. It may help toshorten the back focal length to keep small in size.

The infrared rays filter 370 is made of glass and between the fifth lens350 and the image plane 380. The infrared rays filter 370 gives nocontribution to the focal length of the system.

The parameters of the lenses of the third embodiment are listed in Table5 and Table 6.

TABLE 5 f = 6.2088 mm; f/HEP = 1.8; HAF = 19.9963 deg Radius ofcurvature Thickness Refractive Abbe Focal length Surface (mm) (mm)Material index number (mm) 0 Object 1E+18 1E+18 1 1^(st) Aperture 1E+180.200 2 1^(st) lens −11.75232151 1.487 plastic 1.5441 56.0637 4.75801 3−2.222219893 0.159 4 2^(nd) lens −2.177554354 0.999 plastic 1.6609920.3809 58.9479 5 −2.442066392 0.100 6 3^(rd) lens 3.667844409 0.839plastic 1.5441 56.0637 25.049 7 4.607507323 0.256 8 4^(th) lens−26.21785173 0.730 plastic 1.66099 20.3809 −3.05963 9 2nd Aperture2.236975005 0.669 10 5^(th) lens 2.403368712 1.500 plastic 1.544156.0637 4.83544 11 20.94196511 0.228 12 Infrared 1E+18 0.150 BK_7 1.51764.13 rays filter 13 1E+18 2.887 14 Image plane 1E+18 0.000 Referencewavelength: 555 nm; the position of blocking light: the effective halfdiameter of the clear aperture of the sixth surface is 2.000 mm; theaperture value is calculated with the first aperture, and HEP iscalculated with the effective diameter of the second aperture at theninth surface, which equals to 3.450.

TABLE 6 Coefficients of the aspherical surfaces Surface 2 3 4 5 6 7 8 k−7.939146E+01  0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A4 −1.465223E−02  1.768331E−02 1.531512E−021.175377E−02 −8.179961E−03  3.518529E−02 6.214536E−02 A6 2.263234E−039.173021E−03 1.455119E−02 7.498516E−03 2.865687E−03 −2.923388E−02 −2.879569E−02  A8 −7.233651E−04  −3.365912E−03  −4.592298E−03 −1.828378E−03  −3.658498E−04  5.974190E−03 5.962952E−03 A10 9.767140E−055.085598E−04 6.531089E−04 2.083852E−04 −3.481358E−05  −4.490713E−04 −4.243846E−04  A12 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 A14 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A160.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A18 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 Surface 9 10 11 k0.000000E+00 −1.301536E+00  8.732091E+01 A4 −4.512325E−02 −2.374358E−02  7.838751E−03 A6 7.944868E−03 4.488740E−03 −2.160798E−03 A8 −5.817546E−04  −9.384138E−04  1.255253E−04 A10 5.105880E−056.184391E−05 −3.268125E−05  A12 0.000000E+00 0.000000E+00 0.000000E+00A14 0.000000E+00 0.000000E+00 0.000000E+00 A16 0.000000E+00 0.000000E+000.000000E+00 A18 0.000000E+00 0.000000E+00 0.000000E+00

An equation of the aspherical surfaces of the third embodiment is thesame as that of the first embodiment, and the definitions are the sameas well.

The exact parameters of the third embodiment based on Table 5 and Table6 are listed in the following table:

Third embodiment (Reference wavelength: 555 nm) MTFE0 MTFE3 MTFE7 MTFQ0MTFQ3 MTFQ7 0.88 0.83 0.88 0.84 0.85 0.73 ETP1 ETP2 ETP3 ETP4 ETP5 BL1.119 1.030 0.682 1.216 1.156 3.2653 ETP1/TP1 ETP2/TP2 ETP3/TP3 ETP4/TP4ETP5/TP5 EBL/BL 0.752 1.031 0.813 1.665 0.771 0.9690 ETL EBL EIN EIR PIREIN/ETL 10.204 3.164 7.040 0.127 0.228 0.690 SETP/EIN EIR/PIR SETP STPSETP/STP SED/SIN 0.739 0.555 5.203 25.556 0.936 1.553 ED12 ED23 ED34ED45 SED SIN 0.189 1.003 0.119 0.526 1.838 1.183 ED12/ ED23/ ED34/ ED45/IN12 IN23 IN34 IN45 HVT31 HVT32 1.195 10.035 0.465 0.786 0 1.7451 mm|f/f1| |f/f2| |f/f3| |f/f4| |f/f5| |f1/f2| 1.30491 0.10533 0.247872.02926 1.28402 0.08072 ΣPPR/ ΣPPR ΣNPR |ΣNPR| IN12/f IN45/f |f2/f3|3.4186 1.5528 2.2016 0.0255 0.1077 2.3533 TP3/ (IN23 + TP3 + IN34)(TP1 + IN12)/TP2 (TP5 + IN45)/TP4 0.70236 1.64686 2.97018 HOS InTLHOS/HOI InS/HOS ODT % TDT % 10.00420 6.73894 4.34965 1.01997 1.799761.15511 HVT52/ HVT41 HVT42 HVT51 HVT52 HOI HVT52/HOS 0.41636 0 0 0 0 0|InRS51|/ |InRS52|/ TP2/TP3 TP3/TP4 InRS51 InRS52 TP5 TP5 1.191111.14901 0.492416 0.116983 0.32828 0.07799 VSFS0 VSFS3 VSFS7 VTFS0 VTFS3VTFS7 0.008 0.005 −0.003 0.008 0.008 −0.003 VSMTF0 VSMTF3 VSMTF7 VTMTF0VTMTF3 VTMTF7 0.711 0.685 0.725 0.711 0.667 0.730 ISFS0 ISFS3 ISFS7ITFS0 ITFS3 ITFS7 0.013 0.008 −0.005 0.013 0.010 0.003 ISMTF0 ISMTF3ISMTF7 ITMTF0 ITMTF3 ITMTF7 0.767 0.743 0.705 0.767 0.747 0.685 FS AIFSAVFS AFS 0.005 0.007 0.004 0.003

The results of the equations of the third embodiment based on Table 5and Table 6 are listed in the following table:

Values related to the inflection points of the third embodiment(Reference wavelength: 555 nm) HIF121 1.8202 HIF121/HOI 0.7914 SGI121−0.6222 |SGI121|/(|SGI121| + TP1) 0.2950 HIF211 1.5083 HIF211/HOI 0.6558SGI211 −0.4396 |SGI211|/(|SGI211| + TP2) 0.3055 HIF221 1.6647 HIF221/HOI0.7238 SGI221 −0.4793 |SGI221|/(|SGI221| + TP2) 0.3241 HIF311 1.7758HIF311/HOI 0.7721 SGI311 0.4200 |SGI311|/(|SGI311| + TP3) 0.3336 HIF3211.0722 HIF321/HOI 0.4662 SGI321 0.1381 |SGI321|/(|SGI321| + TP3) 0.1413HIF411 0.2335 HIF411/HOI 0.1015 SGI411 −0.0009 |SGI411|/(|SGI411| + TP4)0.0012 HIF511 1.4078 HIF511/HOI 0.6121 SGI511 0.3313|SGI511|/(|SGI511| + TP5) 0.1809 HIF521 1.5127 HIF521/HOI 0.6577 SGI5210.0796 |SGI521|/(|SGI521| + TP5) 0.0504

Fourth Embodiment

As shown in FIG. 4A and FIG. 4B, an optical image capturing system 40 ofthe fourth embodiment of the present invention includes, along anoptical axis from an object side to an image side, an aperture 400, afirst lens 410, a second lens 420, a third lens 430, a fourth lens 440,a fifth lens 450, an infrared rays filter 470, an image plane 480, andan image sensor 490. FIG. 4C shows a feature map of modulationtransformation of the optical image capturing system of the fourthembodiment of the present application in visible light spectrum. FIG. 4Dis a diagram showing the through-focus MTF values of the visible lightspectrum at the central field of view, 0.3 field of view, and 0.7 fieldof view of the fourth embodiment of the present invention. FIG. 4E is adiagram showing the through-focus MTF values of the infrared lightspectrum at the central field of view, 0.3 field of view, and 0.7 fieldof view of the fourth embodiment of the present disclosure.

The first lens 410 has positive refractive power and is made of plastic.An object-side surface 412 thereof, which faces the object side, is aconvex aspherical surface, and an image-side surface 414 thereof, whichfaces the image side, is a convex aspherical surface. The object-sidesurface 412 has an inflection point.

The second lens 420 has negative refractive power and is made ofplastic. An object-side surface 422 thereof, which faces the objectside, is a concave aspherical surface, and an image-side surface 424thereof, which faces the image side, is a convex aspherical surface. Theobject-side surface 422 has an inflection point and the image-sidesurface 424 has two inflection points.

The third lens 430 has negative refractive power and is made of plastic.An object-side surface 432 thereof, which faces the object side, is aconcave aspherical surface, and an image-side surface 434 thereof, whichfaces the image side, is a concave aspherical surface. The object-sidesurface 432 has two inflection points, and the image-side surface 434has an inflection point.

The fourth lens 440 has positive refractive power and is made ofplastic. An object-side surface 442, which faces the object side, is aconvex aspherical surface, and an image-side surface 444, which facesthe image side, is a concave aspherical surface. The object-side surface442 has two inflection points.

The fifth lens 450 has negative refractive power and is made of plastic.An object-side surface 452, which faces the object side, is a concaveaspherical surface, and an image-side surface 454, which faces the imageside, is a concave aspherical surface. The object-side surface 452 andthe image-side surface 454 both have an inflection point. It may help toshorten the back focal length to keep small in size.

The infrared rays filter 470 is made of glass and between the fifth lens450 and the image plane 480. The infrared rays filter 470 gives nocontribution to the focal length of the system.

The parameters of the lenses of the fourth embodiment are listed inTable 7 and Table 8.

TABLE 7 f = 5.0761 mm; f/HEP = 1.8; HAF = 23.9939 deg Radius ofcurvature Thickness Refractive Abbe Focal length Surface (mm) (mm)Material index number (mm) 0 Object 1E+18 1E+18 1 1^(st) Aperture 1E+18−0.115 2 1^(st) lens 2.695825204 0.858 plastic 1.5441 56.0637 2.22915 3−1.968725823 0.106 4 2^(nd) lens −1.908157719 0.350 plastic 1.6609920.3809 −4.07354 5 −6.884546967 0.030 6 3^(rd) lens −12.09173308 0.350plastic 1.5146 56.5244 −9.8739 7 8.899542256 0.286 8 4^(th) lens2.726599853 0.382 plastic 1.5839 29.8775 7.76815 9 2^(nd) 6.4231814121.689 Aperture 10 5^(th) lens −3.414326815 0.389 plastic 1.5441 56.0637−3.53163 11 4.605872502 0.111 12 Infrared 1E+18 0.150 BK_7 1.517 64.13rays filter 13 1E+18 0.600 14 Image plane 1E+18 0.000 Referencewavelength: 555 nm; the position of blocking light: the effective halfdiameter of the clear aperture of the sixth surface is 1.150 mm; theeffective half diameter of the clear aperture of the eleventh surface is1.820 mm; the aperture value is calculated with the first aperture, andHEP is calculated with the effective diameter of the second aperture atthe ninth surface, which equals to 2.242.

TABLE 8 Coefficients of the aspherical surfaces Surface 2 3 4 5 6 7 8 k−2.009471E+01  −3.643716E+00 −2.140148E+00 −8.999999E+01 8.590596E+01−6.404519E+01 2.697702E+00 A4 9.593745E−02 −5.911787E−02 −6.068142E−02−4.111764E−01 −4.118792E−01  −1.731405E−01 −2.383311E−01  A6−1.759403E−01   2.047004E−01  5.603119E−01  1.561216E+00 1.661715E+00 2.494109E−01 1.992464E−01 A8 1.812936E−01 −3.319491E−01 −9.486122E−01−2.566435E+00 −2.926805E+00  −4.623479E−01 −2.966243E−01  A10−1.703315E−01   2.820468E−01  9.036805E−01  2.385657E+00 2.940174E+00 5.504008E−01 3.746156E−01 A12 9.407315E−02 −1.367698E−01 −4.952660E−01−1.204994E+00 −1.651272E+00  −3.901614E−01 −2.672060E−01  A14−2.570523E−02   3.604152E−02  1.442476E−01  2.883033E−01 4.787677E−01 1.526062E−01 9.825622E−02 A16 2.744544E−03 −3.988306E−03 −1.736990E−02−2.182951E−02 −5.640435E−02  −2.602498E−02 −1.520797E−02  A180.000000E+00  0.000000E+00  0.000000E+00  0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 Surface 9 10 11 k −7.346183E+01 −4.956248E+01−8.356292E+01 A4 −2.964200E−02 −4.576107E−01 −2.109580E−01 A6 7.290499E−02  4.498254E−01  1.297259E−01 A8 −1.291120E−01 −4.290746E−01−6.6303 54E−02  A10  2.353614E−01  2.787680E−01  2.049982E−02 A12−1.903936E−01 −1.048129E−01 −2.352083E−03 A14  7.623 978E−02 1.998991E−02 −2.748860E−04 A16 −1.116311E−02 −1.256039E−03 6.710715E−05 A18  0.000000E+00  0.000000E+00  0.000000E+00

An equation of the aspherical surfaces of the fourth embodiment is thesame as that of the first embodiment, and the definitions are the sameas well.

The exact parameters of the fourth embodiment based on Table 7 and Table8 are listed in the following table:

Fourth embodiment (Reference wavelength: 555 nm) MTFE0 MTFE3 MTFE7 MTFQ0MTFQ3 MTFQ7 0.91 0.83 0.8 0.78 0.56 0.52 ETP1 ETP2 ETP3 ETP4 ETP5 BL0.439 0.520 0.250 0.445 0.734 0.8612 ETP1/TP1 ETP2/TP2 ETP3/TP3 ETP4/TP4ETP5/TP5 EBL/BL 0.512 1.487 0.714 1.165 1.890 1.1252 ETL EBL EIN EIR PIREIN/ETL 5.167 0.969 4.199 0.219 0.111 0.813 SETP/EIN EIR/PIR SETP STPSETP/STP SED/SIN 0.525 0.967 2.389 2.328 1.026 0.858 ED12 ED23 ED34 ED45SED SIN 0.228 0.033 0.456 1.094 1.810 2.110 ED12/ ED23/ ED34/ ED45/ IN12IN23 IN34 IN45 HVT31 HVT32 2.156 1.092 1.593 0.648 0.7793 0.4564 mm mm|f/f1| |f/f2| |f/f3| |f/f4| |f/f5| |f1/f2| 2.27715 1.24612 0.514090.65345 1.43732 0.54723 ΣPPR/ ΣPPR ΣNPR |ΣNPR| IN12/f IN45/f |f2/f3|3.3369 2.7912 1.1955 0.0208 0.3327 0.4126 TP3/ (IN23 + TP3 + IN34)(TP1 + IN12)/TP2 (TP5 + IN45)/TP4 0.52548 2.75289 5.43646 HOS InTLHOS/HOI InS/HOS ODT % TDT % 5.30000 4.43878 2.30435 0.97827 1.79741.97975 HVT52/ HVT41 HVT42 HVT51 HVT52 HOI HVT52/HOS 0 0 0 0.478050.2088 0.0902 |InRS51|/ |InRS52|/ TP2/TP3 TP3/TP4 InRS51 InRS52 TP5 TP50.93763 0.53096 0.0310062 −0.043063 0.05166 0.07175 PSTA PLTA NSTA NLTASSTA SLTA 0.008 mm −0.010 0.001 mm −0.008 0.003 mm −0.001 mm mm mm VSFS0VSFS3 VSFS7 VTFS0 VTFS3 VTFS7 −0.005 −0.000 0.005 −0.005 −0.010 −0.005VSMTF0 VSMTF3 VSMTF7 VTMTF0 VTMTF3 VTMTF7 0.809 0.794 0.689 0.809 0.7600.541 ISFS0 ISFS3 ISFS7 ITFS0 ITFS3 ITFS7 0.005 0.010 0.010 0.005 −0.0000.005 ISMTF0 ISMTF3 ISMTF7 ITMTF0 ITMTF3 ITMTF7 0.759 0.698 0.625 0.7590.632 0.452 FS AIFS AVFS AFS 0.010 0.006 −0.003 0.009

The results of the equations of the fourth embodiment based on Table 7and Table 8 are listed in the following table:

Values related to the inflection points of the fourth embodiment(Reference wavelength: 555 nm) HIF111 0.7030 HIF111/HOI 0.3056 SGI1110.0820 |SGI111|/(|SGI111| + TP1) 0.0873 HIF211 0.5910 HIF211/HOI 0.2570SGI211 −0.0829 |SGI211|/(|SGI211| + TP2) 0.1915 HIF221 0.4729 HIF221/HOI0.2056 SGI221 −0.0231 |SGI221|/(|SGI221| + TP2) 0.0620 HIF222 1.1413HIF222/HOI 0.4962 SGI222 0.0118 |SGI222|/(|SGI222| + TP2) 0.0326 HIF3110.4715 HIF311/HOI 0.2050 SGI311 −0.0174 |SGI311|/(|SGI311| + TP3) 0.0472HIF312 1.1014 HIF312/HOI 0.4789 SGI312 0.0044 |SGI312|/(|SGI312| + TP3)0.0125 HIF321 0.2477 HIF321/HOI 0.1077 SGI321 0.0028|SGI321|/(|SGI321| + TP3) 0.0080 HIF411 0.4535 HIF411/HOI 0.1972 SGI4110.0300 |SGI411|/(|SGI411| + TP4) 0.0727 HIF412 0.8985 HIF412/HOI 0.3907SGI412 0.0642 |SGI412|/(|SGI412| + TP4) 0.1438 HIF511 1.2942 HIF511/HOI0.5627 SGI511 −0.6532 |SGI511|/(|SGI511| + TP5) 0.6270 HIF521 0.2589HIF521/HOI 0.1126 SGI521 0.0059 |SGI521|/(|SGI521| + TP5) 0.0151

Fifth Embodiment

As shown in FIG. 5A and FIG. 5B, an optical image capturing system ofthe fifth embodiment of the present invention includes, along an opticalaxis from an object side to an image side, an aperture 500, a first lens510, a second lens 520, a third lens 530, a fourth lens 540, a fifthlens 550, an infrared rays filter 570, an image plane 580, and an imagesensor 590. FIG. 5C shows a feature map of modulation transformation ofthe optical image capturing system of the fifth embodiment of thepresent application in visible light spectrum. FIG. 5D is a diagramshowing the through-focus MTF values of the visible light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe fifth embodiment of the present invention. FIG. 5E is a diagramshowing the through-focus MTF values of the infrared light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe fifth embodiment of the present disclosure.

The first lens 510 has positive refractive power and is made of plastic.An object-side surface 512, which faces the object side, is a convexaspherical surface, and an image-side surface 514, which faces the imageside, is a convex aspherical surface. The object-side surface 512 has aninflection point.

The second lens 520 has negative refractive power and is made ofplastic. An object-side surface 522 thereof, which faces the objectside, is a concave aspherical surface, and an image-side surface 524thereof, which faces the image side, is a concave aspherical surface.The object-side surface 522 has an inflection point.

The third lens 530 has negative refractive power and is made of plastic.An object-side surface 532, which faces the object side, is a convexaspherical surface, and an image-side surface 534, which faces the imageside, is a concave aspherical surface. The object-side surface 532 hasthree inflection points and the image-side surface 534 has an inflectionpoint.

The fourth lens 540 has positive refractive power and is made ofplastic. An object-side surface 542, which faces the object side, is aconvex aspherical surface, and an image-side surface 544, which facesthe image side, is a concave aspherical surface. The object-side surface542 and the image-side surface 544 both have an inflection point.

The fifth lens 550 has negative refractive power and is made of plastic.An object-side surface 552, which faces the object side, is a concaveaspherical surface, and an image-side surface 554, which faces the imageside, is a concave aspherical surface. The object-side surface 552 hasan inflection point and the image-side surface 554 has two inflectionpoints. It may help to shorten the back focal length to keep small insize.

The infrared rays filter 570 is made of glass and between the fifth lens550 and the image plane 580. The infrared rays filter 570 gives nocontribution to the focal length of the system.

The parameters of the lenses of the fifth embodiment are listed in Table9 and Table 10.

TABLE 9 f = 5.0749 mm; f/HEP = 2.8; HAF = 23.9982 deg Radius ofcurvature Thickness Refractive Abbe Focal length Surface (mm) (mm)Material index number (mm) 0 Object 1E+18 1E+18 1 1^(st) Aperture 1E+18−0.227 2 1^(st) lens 1.481535184 0.825 plastic 1.5441 56.0637 2.23773 3−5.590981562 0.103 4 2^(nd) lens −5.172370453 0.364 plastic 1.6609920.3809 −4.77414 5 8.511486662 0.190 6 3^(rd) lens 67.48009847 0.350plastic 1.5441 56.0637 −4.5955 7 2.414208529 0.173 8 4^(th) lens3.479444223 0.382 plastic 1.66099 20.3809 7.96414 9 2^(nd) Aperture9.647978379 1.061 10 5^(th) lens −2.80016174 0.350 plastic 1.544156.0635 −4.12244 11 11.96580347 0.102 12 Infrared 1E+18 0.150 1.51764.13 rays filter 13 1E+18 0.600 14 Image plane 1E+18 0.000 Referencewavelength: 555 nm; the position of blocking light: no; the aperturevalue is calculated with the first aperture, and HEP is calculated withthe effective diameter of the second aperture at the fifth surface,which equals to 1.652.

TABLE 10 Coefficients of the aspherical surfaces Surface 2 3 4 5 6 7 8 k−4.544099E+00 −4.236044E+01 1.273600E+01 −9.000000E+01 8.590403E+01−5.153701E+00 9.659187E+00 A4  1.469074E−01 −4.621228E−01 −4.947922E−01 −3.624468E−01 −4.979071E−01  −3.668933E−01 −3.239472E−01  A6−1.751470E−01  1.068520E+00 2.064619E+00  2.132287E+00 2.096679E+00 1.536464E+00 4.576625E−01 A8  1.548421E−01 −1.849906E+00 −3.350968E+00 −3.470892E+00 −3.924688E+00  −1.692115E+00 4.475251E−01 A10−1.700875E−01  1.929632E+00 2.619946E+00  3.811505E+00 4.558622E+00−2.007623E+00 −2.370532E+00  A12 −9.927132E−02 −1.292212E+00−4.162402E−02  −4.879754E+00 −6.087872E+00   7.500066E+00 3.154520E+00A14  2.132740E−01  5.287965E−01 −1.181467E+00   8.010917E+008.918876E+00 −7.666323E+00 −1.813514E+00  A16 −1.192011E−01−1.119778E−01 5.116125E−01 −5.434285E+00 −5.762584E+00   2.711369E+003.322183E−01 A18  0.000000E+00  0.000000E+00 0.000000E+00  0.000000E+000.000000E+00  0.000000E+00 0.000000E+00 Surface 9 10 11 k −6.819067E+01−3.429406E+01  −8.356338E+01  A4 −7.502929E−02 −3.533548E−01 −2.177429E−01  A6 −3.885037E−02 8.503679E−03 1.358018E−02 A8 8.460729E−01 3.904789E−01 1.108118E−01 A10 −1.790492E+00 −3.991238E−01 −9.408032E−02  A12  1.901222E+00 1.929890E−01 3.802233E−02 A14−1.048485E+00 −4.710941E−02  −8.237371E−03  A16  2.329349E−014.645172E−03 7.701686E−04 A18  0.000000E+00 0.000000E+00 0.000000E+00

An equation of the aspherical surfaces of the fifth embodiment is thesame as that of the first embodiment, and the definitions are the sameas well.

The exact parameters of the fifth embodiment based on Table 9 and Table10 are listed in the following table:

Fifth embodiment (Reference wavelength: 555 nm) MTFE0 MTFE3 MTFE7 MTFQ0MTFQ3 MTFQ7 0.88 0.78 0.77 0.75 0.52 0.47 ETP1 ETP2 ETP3 ETP4 ETP5 BL0.476 0.569 0.495 0.346 0.494 0.8520 ETP1/TP1 ETP2/TP2 ETP3/TP3 ETP4/TP4ETP5/TP5 EBL/BL 0.576 1.565 1.415 0.905 1.412 1.0669 ETL EBL EIN EIR PIREIN/ETL 4.442 0.909 3.533 0.159 0.102 0.755 SETP/EIN EIR/PIR SETP STPSETP/STP SED/SIN 0.674 1.562 2.379 2.271 1.048 1.008 ED12 ED23 ED34 ED45SED SIN 0.197 0.025 0.106 0.826 1.153 1.527 ED12/ ED23/ ED34/ ED45/ IN12IN23 IN34 IN45 HVT31 HVT32 1.905 0.130 0.613 0.778 0.08844 mm 0 |f/f1||f/f2| |f/f3| |f/f4| |f/f5| |f1/f2| 2.26787 1.06299 1.10431 0.637221.23104 0.46872 ΣPPR/ ΣPPR ΣNPR |ΣNPR| IN12/f IN45/f |f2/f3| 2.93123.3722 0.8692 0.0204 0.2090 1.0389 TP3/(IN23 + TP3 + IN34) (TP1 +IN12)/TP2 (TP5 + IN45)/TP4 0.49070 2.55319 3.69299 HOS InTL HOS/HOIInS/HOS ODT % TDT % 4.65030 3.79834 2.02187 0.95116 1.89366 1.80284HVT52/ HVT41 HVT42 HVT51 HVT52 HVT52/HOI HOS 0 0 0 0.30828 0.134040.06629 |InRS51|/ |InRS52|/ TP2/TP3 TP3/TP4 InRS51 InRS52 TP5 TP51.03925 0.91627 −0.55261 −0.598586 1.57889 1.71025 VSFS0 VSFS3 VSFS7VTFS0 VTFS3 VTFS7 −0.005 −0.005 0.010 −0.005 −0.015 −0.010 VSMTF0 VSMTF3VSMTF7 VTMTF0 VTMTF3 VTMTF7 0.756 0.738 0.669 0.756 0.710 0.567 ISFS0ISFS3 ISFS7 ITFS0 ITFS3 ITFS7 0.005 0.005 0.020 0.005 −0.005 −0.000ISMTF0 ISMTF3 ISMTF7 ITMTF0 ITMTF3 ITMTF7 0.659 0.652 0.632 0.659 0.6460.545 FS AIFS AVFS AFS 0.010 0.005 −0.005 0.010

The results of the equations of the fifth embodiment based on Table 9and Table 10 are listed in the following table:

Values related to the inflection points of the fifth embodiment(Reference wavelength: 555 nm) HIF111 0.6991 HIF111/HOI 0.3040 SGI1110.1596 |SGI111|/(|SGI111| + TP1) 0.1620 HIF211 0.4722 HIF211/HOI 0.2053SGI211 −0.0308 |SGI211|/(|SGI211| + TP2) 0.0780 HIF311 0.0505 HIF311/HOI0.0220 SGI311 0.0000 |SGI311|/(|SGI311| + TP3) 0.0000 HIF312 0.4127HIF312/HOI 0.1795 SGI312 −0.0056 |SGI312|/(|SGI312| + TP3) 0.0157 HIF3130.7519 HIF313/HOI 0.3269 SGI313 −0.0080 |SGI313|/(|SGI313| + TP3) 0.0224HIF321 0.8149 HIF321/HOI 0.3543 SGI321 0.1332 |SGI321|/(|SGI321| + TP3)0.2757 HIF411 0.8691 HIF411/HOI 0.3779 SGI411 0.0794|SGI411|/(|SGI411| + TP4) 0.1721 HIF421 1.0278 HIF421/HOI 0.4469 SGI4210.0798 |SGI421|/(|SGI421| + TP4) 0.1729 HIF511 1.0137 HIF511/HOI 0.4407SGI511 −0.3205 |SGI511|/(|SGI511| + TP5) 0.4780 HIF521 0.1770 HIF521/HOI0.0770 SGI521 0.0011 |SGI521|/(|SGI521| + TP5) 0.0031 HIF522 1.6209HIF522/HOI 0.7047 SGI522 −0.5334 |SGI522|/(|SGI522| + TP5) 0.6038

Sixth Embodiment

As shown in FIG. 6A and FIG. 6B, an optical image capturing system ofthe sixth embodiment of the present invention includes, along an opticalaxis from an object side to an image side, an aperture 600, a first lens610, a second lens 620, a third lens 630, a fourth lens 640, a fifthlens 650, an infrared rays filter 670, an image plane 680, and an imagesensor 690. FIG. 6C shows a feature map of modulation transformation ofthe optical image capturing system of the sixth embodiment of thepresent application in visible light spectrum. FIG. 6D is a diagramshowing the through-focus MTF values of the visible light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe sixth embodiment of the present invention. FIG. 6E is a diagramshowing the through-focus MTF values of the infrared light spectrum atthe central field of view, 0.3 field of view, and 0.7 field of view ofthe sixth embodiment of the present disclosure.

The first lens 610 has positive refractive power and is made of plastic.An object-side surface 612, which faces the object side, is a convexaspherical surface, and an image-side surface 614, which faces the imageside, is a convex aspherical surface. The object-side surface 612 has aninflection point.

The second lens 620 has negative refractive power and is made ofplastic. An object-side surface 622 thereof, which faces the objectside, is a concave aspherical surface, and an image-side surface 624thereof, which faces the image side, is a convex aspherical surface. Theobject-side surface 622 and the image-side surface 624 both have aninflection point.

The third lens 630 has positive refractive power and is made of plastic.An object-side surface 632, which faces the object side, is a concaveaspherical surface, and an image-side surface 634, which faces the imageside, is a convex aspherical surface. The object-side surface 632 andthe image-side surface 634 both have an inflection point.

The fourth lens 640 has negative refractive power and is made ofplastic. An object-side surface 642, which faces the object side, is aconvex aspherical surface, and an image-side surface 644, which facesthe image side, is a concave aspherical surface. The object-side surface642 and the image-side surface 644 both have an inflection point.

The fifth lens 650 has negative refractive power and is made of plastic.An object-side surface 652, which faces the object side, is a convexaspherical surface, and an image-side surface 654, which faces the imageside, is a concave aspherical surface. The object-side surface 652 hasan inflection point and the image-side surface 654 has two inflectionpoints. It may help to shorten the back focal length to keep small insize. In addition, it may reduce an incident angle of the light of anoff-axis field of view and correct the aberration of the off-axis fieldof view.

The infrared rays filter 670 is made of glass and between the fifth lens650 and the image plane 680. The infrared rays filter 670 gives nocontribution to the focal length of the system.

The parameters of the lenses of the sixth embodiment are listed in Table11 and Table 12.

TABLE 11 f = 3.9826 mm; f/HEP = 2.2; HAF = 30.0005 deg Radius ofcurvature Thickness Refractive Abbe Focal length Surface (mm) (mm)Material index number (mm) 0 Object 1E+18 1E+18 1 1^(st) Aperture 1E+18−0.150 2 1^(st) lens 1.732182293 0.789 plastic 1.5441 56.0637 2.42826 3−4.738320848 0.150 4 2^(nd) lens −1.380778654 0.356 plastic 1.6609920.3809 −5.85289 5 −2.357318126 0.166 6 3^(rd) lens −29.85876999 0.384plastic 1.5441 56.0637 11.7513 7 −5.304318431 0.025 8 4^(th) lens2.961246799 0.350 plastic 1.5146 56.5244 −10.7505 9 1.853263589 0.887 105^(th) lens 2.465260613 0.406 plastic 1.5441 56.0637 −7.45438 111.44593775 0.237 12 Infrared 1E+18 0.150 BK_7 1.517 64.13 rays filter 131E+18 0.600 14 Image plane 1E+18 0.000 Reference wavelength: 555 nm; theposition of blocking light: no; the aperture value is calculated withthe first aperture, and HEP is calculated with the effective diameter.

TABLE 12 Coefficients of the aspherical surfaces Surface 2 3 4 5 6 7 8 k−6.464898E+00  0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A4 9.658021E−02 −1.265645E−01  1.638825E−014.207127E−01 3.105134E−01 1.831172E−01 2.264502E−01 A6 −1.606079E−02 −1.627994E−02  −2.005493E−02  −5.302771E−01  −5.839879E−01 −4.462185E−01  −7.327635E−01  A8 −2.882121E−01  −6.311901E−02 −1.621029E−02  4.436801E−01 7.773193E−01 8.248100E−01 7.355920E−01 A104.237816E−01 9.798892E−02 1.215816E−01 −2.848798E−01  −7.927673E−01 −7.928616E−01  −4.106749E−01  A12 −2.811570E−01  −5.075765E−02 −4.066664E−02  1.043850E−01 3.048218E−01 2.925153E−01 8.596226E−02 A140.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 A16 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A18 0.000000E+000.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+000.000000E+00 Surface 9 10 11 k 0.000000E+00 −3.311910E+00 −5.400721E+00  A4 1.167499E−02 −3.804808E−01  −1.533812E−01  A6−1.592351E−01  3.640379E−01 7.322779E−02 A8 1.019465E−01 −2.246969E−01 −2.603117E−02  A10 −3.291471E−02  6.767839E−02 3.440842E−03 A124.311295E−03 −7.461613E−03  −2.493294E−05  A14 0.000000E+00 0.000000E+000.000000E+00 A16 0.000000E+00 0.000000E+00 0.000000E+00 A18 0.000000E+000.000000E+00 0.000000E+00

An equation of the aspherical surfaces of the sixth embodiment is thesame as that of the first embodiment, and the definitions are the sameas well.

The exact parameters of the sixth embodiment based on Table 11 and Table12 are listed in the following table:

Sixth embodiment (Reference wavelength: 555 nm) MTFE0 MTFE3 MTFE7 MTFQ0MTFQ3 MTFQ7 0.9 0.87 0.85 0.8 0.72 0.65 ETP1 ETP2 ETP3 ETP4 ETP5 BL0.438 0.498 0.363 0.424 0.516 0.9870 ETP1/TP1 ETP2/TP2 ETP3/TP3 ETP4/TP4ETP5/TP5 EBL/BL 0.555 1.398 0.945 1.211 1.270 0.8663 ETL EBL EIN EIR PIREIN/ETL 4.330 0.855 3.475 0.105 0.237 0.803 SETP/EIN EIR/PIR SETP STPSETP/STP SED/SIN 0.644 0.442 2.238 2.285 0.979 1.008 ED12 ED23 ED34 ED45SED SIN 0.200 0.089 0.248 0.700 1.237 1.228 ED12/ ED23/ ED34/ ED45/ IN12IN23 IN34 IN45 HVT31 HVT32 1.333 0.537 9.931 0.789 0.857358 0.921678 mmmm |f/f1| |f/f2| |f/f3| |f/f4| |f/f5| |f1/f2| 1.64010 0.68045 0.338910.37046 0.53426 0.41488 ΣPPR/ ΣPPR ΣNPR |ΣNPR| IN12/f IN45/f |f2/f3|1.5536 2.0106 0.7727 0.0377 0.2226 0.4981 TP3/(IN23 + TP3 + IN34) (TP1 +IN12)/TP2 (TP5 + IN45)/TP4 0.66778 2.63484 3.69292 HOS InTL HOS/HOIInS/HOS ODT % TDT % 4.50012 3.51315 1.95657 0.96677 1.51283 1.48746HVT52/ HVT52/ HVT41 HVT42 HVT51 HVT52 HOI HOS 1.02220 0 0.67087 1.040180.29168 0.14908 |InRS51|/ |InRS52|/ TP2/TP3 TP3/TP4 InRS51 InRS52 TP5TP5 0.92678 1.09833 −0.152986 −0.139266 0.37696 0.34315 VSFS0 VSFS3VSFS7 VTFS0 VTFS3 VTFS7 −0.000 −0.005 −0.000 −0.000 −0.005 −0.000 VSMTF0VSMTF3 VSMTF7 VTMTF0 VTMTF3 VTMTF7 0.799 0.776 0.724 0.799 0.734 0.645ISFS0 ISFS3 ISFS7 ITFS0 ITFS3 ITFS7 0.010 0.005 0.005 0.010 0.005 0.005ISMTF0 ISMTF3 ISMTF7 ITMTF0 ITMTF3 ITMTF7 0.693 0.695 0.663 0.693 0.6730.600 FS AIFS AVFS AFS 0.010 0.007 −0.002 0.008

The results of the equations of the sixth embodiment based on Table 11and Table 12 are listed in the following table:

Values related to the inflection points of the sixth embodiment(Reference wavelength: 555 nm) HIF111 0.6504 HIF111/HOI 0.2828 SGI1110.1140 |SGI111|/(|SGI111| + TP1) 0.1263 HIF211 0.5036 HIF211/HOI 0.2190SGI211 −0.0760 |SGI211|/(|SGI211| + TP2) 0.1758 HIF221 0.4008 HIF221/HOI0.1743 SGI221 −0.0295 |SGI221|/(|SGI221| + TP2) 0.0765 HIF311 0.6203HIF311/HOI 0.2697 SGI311 −0.0422 |SGI311|/(|SGI311| + TP3) 0.0989 HIF3210.6481 HIF321/HOI 0.2818 SGI321 −0.0555 |SGI321|/(|SGI321| + TP3) 0.1261HIF411 0.7128 HIF411/HOI 0.3099 SGI411 0.0931 |SGI411|/(|SGI411| + TP4)0.2101 HIF421 0.8532 HIF421/HOI 0.3710 SGI421 0.1874|SGI421|/(|SGI421| + TP4) 0.3487 HIF511 0.3541 HIF511/HOI 0.1540 SGI5110.0207 |SGI511|/(|SGI511| + TP5) 0.0486 HIF512 1.2914 HIF512/HOI 0.5615SGI512 −0.0680 |SGI512|/(|SGI512| + TP5) 0.1434 HIF521 0.4919 HIF521/HOI0.2138 SGI521 0.0653 |SGI521|/(|SGI521| + TP5) 0.1387

It must be pointed out that the embodiments described above are onlysome embodiments of the present invention. All equivalent structureswhich employ the concepts disclosed in this specification and theappended claims should fall within the scope of the present invention.

What is claimed is:
 1. An optical image capturing system, in order alongan optical axis from an object side to an image side, comprising: afirst lens having refractive power; a second lens having refractivepower; a third lens having refractive power; a fourth lens havingrefractive power; a fifth lens having refractive power; a first imageplane, which is an image plane specifically for visible light andlocated at a position of the optical axis with a through-focusmodulation transfer rate (value of MTF) at a first spatial frequencyhaving a maximum value; and a second image plane, which is an imageplane specifically for infrared light and located at a position of theoptical axis with the through-focus modulation transfer rate (value ofMTF) at the first spatial frequency having a maximum value; wherein theoptical image capturing system consists of the five lenses withrefractive power; at least one lens among the first to the fifth lensesis made of plastic; at least one lens among the first to the fifthlenses has positive refractive power; each lens among the first lens tothe fifth lens has an object-side surface, which faces the object side,and an image-side surface, which faces the image side; wherein theoptical image capturing system satisfies: 1.0≤f/HEP≤10.0; 0 deg<HAF≤40deg; 0.2≤SETP/STP<1; and |FS|≤12 μm; where f1, f2 f3, f4, and f5 arefocal lengths of the first lens to the fifth lens, respectively; f is afocal length of the optical image capturing system; HEP is an entrancepupil diameter of the optical image capturing system; HOI is a maximumheight for image formation on the first image plane; HOS is a distancebetween the object-side surface of the first lens and the first imageplane on the optical axis; InTL is a distance from the object-sidesurface of the first lens to the image-side surface of the fifth lens onthe optical axis; HAF is a half of a maximum view angle of the opticalimage capturing system; FS is a distance on the optical axis between thefirst image plane and the second image plane; ETP1, ETP2, ETP3, ETP4,and ETP5 are respectively a thickness at the height of ½ HEP of thefirst lens, the second lens, the third lens, the fourth lens, and thefifth lens; SETP is a sum of the aforementioned ETP1 to ETP5; TP1, TP2,TP3, TP4, and TP5 are respectively a thickness of the first lens, thesecond lens, the third lens, the fourth lens, and the fifth lens on theoptical axis; STP is a sum of the aforementioned TP1 to TP5.
 2. Theoptical image capturing system of claim 1, wherein a wavelength of theinfrared light ranges from 700 nm to 1300 nm, and the first spatialfrequency is denoted by SP1, which satisfies the following condition:SP1≤440 cycles/mm.
 3. The optical image capturing system of claim 1,wherein the optical image capturing system further satisfies: IN45>IN23;where IN23 is a distance on the optical axis between the second lens andthe third lens, and IN45 is a distance on the optical axis between thefourth lens and the fifth lens.
 4. The optical image capturing system ofclaim 1, wherein the optical image capturing system further satisfies:IN45>IN34; where IN34 is a distance on the optical axis between thethird lens and the fourth lens, and IN45 is the distance on the opticalaxis between the fourth lens and the fifth lens.
 5. The optical imagecapturing system of claim 1, wherein the optical image capturing systemfurther satisfies: 0<HOS/HOI≤5.
 6. The optical image capturing system ofclaim 1, wherein the optical image capturing system further satisfies:0.2≤EIN/ETL<1; where ETL is a horizontal distance in parallel with theoptical axis between a coordinate point at a height of ½ HEP on theobject-side surface of the first lens and the first image plane; EIN isa horizontal distance in parallel with the optical axis between thecoordinate point at the height of ½ HEP on the object-side surface ofthe first lens and a coordinate point at a height of ½ HEP on theimage-side surface of the fifth lens.
 7. The optical image capturingsystem of claim 1, wherein the optical image capturing system furthersatisfies: 0.2≤SETP/EIN<1; where EIN is the horizontal distance inparallel with the optical axis between the coordinate point at theheight of ½ HEP on the object-side surface of the first lens and thecoordinate point at the height of ½ HEP on the image-side surface of thefifth lens.
 8. The optical image capturing system of claim 1, whereinthe optical image capturing system further satisfies: 0.1≤EBL/BL≤1.1;where EBL is a horizontal distance in parallel with the optical axisbetween a coordinate point at the height of ½ HEP on the image-sidesurface of the fifth lens and the first image plane; BL is a horizontaldistance in parallel with the optical axis between the point on theimage-side surface of the fifth lens where the optical axis passesthrough and the first image plane.
 9. The optical image capturing systemof claim 1, further comprising an aperture, wherein the optical imagecapturing system further satisfies: 0.2≤InS/HOS≤1.1; where InS is adistance between the aperture and the first image plane on the opticalaxis.
 10. An optical image capturing system, in order along an opticalaxis from an object side to an image side, comprising: a first lenshaving refractive power; a second lens having refractive power; a thirdlens having refractive power; a fourth lens having refractive power; afifth lens having refractive power; a first image plane, which is animage plane specifically for visible light and located at a position ofthe optical axis with a through-focus modulation transfer rate (value ofMTF) at a first spatial frequency having a maximum value; the firstspatial frequency being 110 cycles/mm; and a second image plane, whichis an image plane specifically for infrared light and located at aposition of the optical axis with the through-focus modulation transferrate (value of MTF) at the first spatial frequency having a maximumvalue; the first spatial frequency being 110 cycles/mm; wherein theoptical image capturing system consists of the five lenses withrefractive power; at least two lenses among the first lens to the fifthlens are made of plastic; at least one lens among the first lens to thefifth lens has positive refractive power; each lens among the first lensto the fifth lens has an object-side surface, which faces the objectside, and an image-side surface, which faces the image side; wherein theoptical image capturing system satisfies: 1≤f/HEP≤10; 0 deg<HAF≤40 deg;0.2≤EIN/ETL<1; and |FS|≤10 μm; where f1, f2 f3, f4, and f5 are focallengths of the first lens to the fifth lens, respectively; f is a focallength of the optical image capturing system; HEP is an entrance pupildiameter of the optical image capturing system; HOS is a distancebetween the object-side surface of the first lens and the first imageplane on the optical axis; InTL is a distance from the object-sidesurface of the first lens to the image-side surface of the fifth lens onthe optical axis; HAF is a half of a maximum view angle of the opticalimage capturing system; FS is a distance on the optical axis between thefirst image plane and the second image plane; ETL is a distance inparallel with the optical axis between a coordinate point at a height of½ HEP on the object-side surface of the first lens and the first imageplane; EIN is a distance in parallel with the optical axis between thecoordinate point at the height of ½ HEP on the object-side surface ofthe first lens and a coordinate point at a height of ½ HEP on theimage-side surface of the fifth lens.
 11. The optical image capturingsystem of claim 10, further comprising an aperture, which is disposedbefore the image-side surface of the third lens.
 12. The optical imagecapturing system of claim 10, wherein the image-side surface of thefirst lens on the optical axis is a convex surface.
 13. The opticalimage capturing system of claim 10, wherein the image-side surface ofthe fourth lens on the optical axis is a concave surface.
 14. Theoptical image capturing system of claim 10, wherein the object-sidesurface of the second lens on the optical axis is a concave surface 15.The optical image capturing system of claim 10, wherein the opticalimage capturing system further satisfies: 0<IN45/f≤0.3; where IN45 is adistance between the fourth lens and the fifth lens on the optical axis.16. The optical image capturing system of claim 10, wherein each twoneighboring lenses among the first to the fifth lenses are separated byair.
 17. The optical image capturing system of claim 10, wherein theoptical image capturing system further satisfies: MTFQ0≥0.2; MTFQ3≥0.01;and MTFQ7≥0.01; where HOI is a maximum height for image formationperpendicular to the optical axis on the image plane; MTFQ0, MTFQ3, andMTFQ7 are respectively values of modulation transfer function in aspatial frequency of 110 cycles/mm at the optical axis, 0.3 HOI, and 0.7HOI on an image plane.
 18. The optical image capturing system of claim10, wherein the optical image capturing system further satisfies:0.1≤(TP5+IN45)/TP4≤50; where IN45 is the distance on the optical axisbetween the fourth lens and the fifth lens; TP4 is a thickness of thefourth lens on the optical axis; TP5 is a thickness of the fifth lens onthe optical axis.
 19. The optical image capturing system of claim 10,wherein at least one surface of each of at least one lens among thefirst lens to the fifth lens has at least an inflection point thereon.20. An optical image capturing system, in order along an optical axisfrom an object side to an image side, comprising: a first lens havingrefractive power; a second lens having refractive power; a third lenshaving refractive power; a fourth lens having refractive power; a fifthlens having refractive power; a first average image plane, which is animage plane specifically for visible light and perpendicular to theoptical axis; the first average image plane being installed at theaverage position of the defocusing positions, where through-focusmodulation transfer rates (values of MTF) of the visible light atcentral field of view, 0.3 field of view, and 0.7 field of view are attheir respective maximum at a first spatial frequency; the first spatialfrequency being 110 cycles/mm; and a second average image plane, whichis an image plane specifically for infrared light and perpendicular tothe optical axis; the second average image plane being installed at theaverage position of the defocusing positions, where through-focusmodulation transfer rates of the infrared light (values of MTF) atcentral field of view, 0.3 field of view, and 0.7 field of view are attheir respective maximum at the first spatial frequency; the firstspatial frequency being 110 cycles/mm; wherein the optical imagecapturing system consists of the five lenses having refractive power; atleast one lens among the first lens to the fifth lens is made ofplastic; at least one lens among the first lens to the fifth lens haspositive refractive power; each lens among the first lens to the fifthlens has an object-side surface, which faces the object side, and animage-side surface, which faces the image side; wherein the opticalimage capturing system satisfies: 1≤f/HEP≤10; 0 deg<HAF≤40 deg;0.5≤SETP/STP<1; and |AFS|≤15 μm; where f1, f2 f3, f4, and f5 are focallengths of the first lens to the fifth lens, respectively; f is a focallength of the optical image capturing system; HEP is an entrance pupildiameter of the optical image capturing system; HAF is a half of amaximum view angle of the optical image capturing system; HOI is amaximum height for image formation on the first average image plane; HOSis a distance between the object-side surface of the first lens and thefirst average image plane on the optical axis; InTL is a distance fromthe object-side surface of the first lens to the image-side surface ofthe fifth lens on the optical axis; AFS is a distance on the opticalaxis between the first average image plane and the second average imageplane; ETP1, ETP2, ETP3, ETP4, and ETP5 are respectively a thickness atthe height of ½ HEP of the first lens, the second lens, the third lens,the fourth lens, and the fifth lens; SETP is a sum of the aforementionedETP1 to ETP5; TP1, TP2, TP3, TP4, and TP5 are respectively a thicknessof the first lens, the second lens, the third lens, the fourth lens, andthe fifth lens on the optical axis; STP is a sum of the aforementionedTP1 to TP5.
 21. The optical image capturing system of claim 20, furthercomprising an aperture, which is disposed before the image-side surfaceof the third lens; the optical image capturing system further satisfies:0.2≤InS/HOS≤1.1; where InS is a distance between the aperture and thefirst average image plane on the optical axis.
 22. The optical imagecapturing system of claim 20, wherein the optical image capturing systemfurther satisfies: IN45>IN23; where IN23 is a distance between thesecond lens and the third lens on the optical axis; IN45 is a distancebetween the fourth lens and the fifth lens on the optical axis.
 23. Theoptical image capturing system of claim 20, wherein the optical imagecapturing system further satisfies: IN45>IN34; where IN34 is ahorizontal distance on the optical axis between the third lens and thefourth lens; IN45 is the distance between the fourth lens and the fifthlens on the optical axis.
 24. The optical image capturing system ofclaim 20, wherein the image-side surface of the fourth lens on theoptical axis is a concave surface.
 25. The optical image capturingsystem of claim 20, further comprising an image sensor, which isdisposed on the first average image plane and comprises at least 100thousand pixels.